The French Revolution invented modern revolution —the idea that humans can transform the world according to a plan—and so has a central place in the study of the social sciences. It ushered in modernity by destroying the foundations of the “Old Regime”—absolutist politics, legal inequality, a “feudal” economy (characterized by guilds, manorialism, and even serfdom), an alliance of church and state, and created a vision for a new moral universe: that sovereignty resides in nations; that a constitution and the rule of law govern politics; that people are equal and enjoy inalienable rights; and that church and state should be separate. That vision is enshrined in the Declaration of the Rights of Man and Citizen of 1789, whose proclamation of “natural, imprescriptible, and inalienable” rights served as the model for the 1948 United Nations Universal Declaration of Human Rights.
Eighteenth-century France experienced overlapping tensions that erupted in revolution in 1789. First, the Enlightenment contributed to an environment in which revolution was possible by its insistence on reforming institutions to comply with standards of reason and utility. Furthermore, it coincided with the rise of public opinion, which undermined the absolutist notion that political decisions required no consultation or tolerated no opposition. Second, the French state faced bankruptcy because of a regressive and inefficient tax system as well as participation in the Seven Years War (1756–1763) and the War of American Independence (1775–1783). Third, France witnessed endemic political strife in the eighteenth century. Technically absolutist monarchs who ruled by divine right and who exercised sovereignty without the interference of representative institutions, French kings in reality met with opposition to their policies from the noble magistrates of the highest law courts (Parlements), who resisted fiscal reforms in the name of protecting traditional rights from arbitrary authority. Finally, while class conflict did not cause revolution, there existed stress zones in French society, as a growing population threatened many people with destitution and as talented commoners chafed at their exclusion from high offices in the church, state, and military. Economic problems intensified after bad weather doubled the price of bread in 1789.
These tensions reached a crisis point in the “prerevolution” from 1787 to 1789. To deal with impending fiscal insolvency, the government convened an Assembly of Notables in 1787 to propose a new tax levied on all land and the convocation of advisory provincial assemblies.
Repeated resistance to reform by the notables and Parlements forced Louis XVI (ruled 1774–1792) to convene the Estates-General, a representative body composed of clergy, nobles, and the Third Estate that had not met since 1614. The calling of the Estates-General in 1789 led to a debate over the leadership of reform, and France’s struggle against royal despotism soon became a struggle against noble and clerical privilege. In this context, Emmanuel Sieyès’s pamphlet “What Is the Third Estate?” galvanized patriot opinion by responding “Everything!” and by portraying the privileged groups as unproductive parasites on the body politic.
During a stalemate over whether the estates should vote by order or head, the Third Estate claimed on June 17 that it formed a National Assembly with the authority to write a constitution. This step transferred sovereignty from the king to the nation and constituted a legal revolution. The legal revolution was protected by a popular revolution on July 14 when the people of Paris stormed the Bastille fortress in search of weapons. Popular participation continued to radicalize the revolution. In the countryside, a peasant insurgency against manorial dues and church tithes prompted the National Assembly to decree the “abolition of feudalism” on August 4.
The revolution had three phases. The liberal phase found France under a constitutional monarchy during the National Assembly (1789–1791) and Legislative Assembly (1791–1792). After the destruction of absolutism and feudalism, legislation in this period guaranteed individual liberty, promoted secularism, and favored educated property owners. The aforementioned Declaration of Rights proclaimed freedom of thought, worship, and assembly as well as freedom from arbitrary arrest; it enshrined the principles of careers open to talent and equality before the law, and it hailed property as a sacred right (similarly, the National Assembly limited the vote to men with property). Other laws, enacted in conformity with reason, contributed to the “new regime.” They offered full rights to Protestants and Jews, thereby divorcing religion from citizenship; they abolished guilds and internal tolls and opened trades to all people, thereby creating the conditions for economic individualism; they rationalized France’s administration, creating departments in the place of provinces and giving them uniform and reformed institutions. Significantly, the National Assembly restructured the French Catholic Church, expropriating church lands, abolishing most monastic orders, and redrawing diocesan boundaries.
The revolution did not end despite the promulgation of the constitution of 1791. King Louis XVI had never reconciled himself to the revolution and as a devout Catholic was distressed after the pope condemned the restructuring of the church (known as the Civil Constitution of the Clergy). Ultimately, the king attempted to flee France on June 20, 1791, but was stopped at Varennes. Radicalism constituted another problem for the assembly, for Parisian artisans and shopkeepers (called sans-culottes ) resented their formal exclusion from politics in the Constitution and demanded legislation to deal with France’s economic crisis and the revolution’s enemies, particularly nobles and priests. After Varennes, radicals called increasingly for a republic. In addition, revolutionaries’ fears of foreign nations and counterrevolutionary émigrés led to a declaration of war against Austria in April 1792. France’s crusade against despotism began badly, and Louis XVI’s veto of wartime measures appeared treasonous. On August 10, 1792, a revolutionary crowd attacked the royal palace. This “second revolution” overthrew the monarchy and resulted in the convocation of a democratically elected National Convention, which declared France a republic on September 22, 1792, and subsequently tried and executed the king.
The revolution’s second, radical phase lasted from August 10, 1792, until the fall of Maximilien Robespierre (1758–1794) on July 27, 1794. The Convention’s new declaration of rights and constitution in 1793 captured the regime’s egalitarian social and political ideals and distinguished it from the liberal phase by proclaiming universal manhood suffrage, the right to education and subsistence, and the “common good” as the goal of society. The constitution, however, was never implemented amid the emergency situation resulting from civil war in the west (the Vendée), widespread revolts against the Convention, economic chaos, and foreign war against Austrian, Prussia, Britain, Holland, and Spain. Faced with imminent collapse in the summer of 1793, by spring 1794 the government had “saved” the revolution and organized military victories on all fronts.
The stunning change of events stemmed from the revolutionaries’ three-pronged strategy under the leadership of Robespierre and the Committee of Public Safety. First, they established a planned economy, including price controls and nationalized workshops, for a total war effort. The planned economy largely provided bread for the poor and matériel for the army. Second, the government forced unity and limited political opposition through a Reign of Terror. Under the Terror, the Revolutionary Tribunal tried “enemies of the nation,” some 40,000 of whom were executed—often by guillotine—or died in jail; another 300,000 people languished in prison under a vague “law of suspects.” The unleashing of terrorism to silence political opponents imposed order at the cost of freedom. It raised complex moral issues about means and ends and has led to vigorous historical debate: Was the Terror an understandable response to the emergency, one that saved the revolution from a return of the Old Regime, or was it a harbinger of totalitarianism that sacrificed individual life and liberty to an all-powerful state and the abstract goal of regenerating humankind? Finally, the revolutionary government harnessed the explosive force of nationalism. Unified by common institutions and a share of sovereign power, desirous of protecting the gains of revolution, and guided by a national mission to spread the gospel of freedom, patriotic French treated the revolutionary wars as a secular crusade. The combination of a planned economy, the Reign of Terror, and revolutionary nationalism allowed for a full-scale mobilization of resources that drove foreign armies from French soil at the Battle of Fleurus on June 26, 1794.
The revolution’s third phase, the Thermidorian and Directory periods, commenced with the overthrow of Robespierre and the dismantling of the Terror on 9 Thermidor (July 27, 1794) and lasted until the coup d’état on November 9, 1799, that brought Napoléon Bonaparte (1769–1821) to power. A new constitution in 1795 rendered France a liberal republic under a five-man executive called the Directory. The reappearance of property qualifications for political office sought to guarantee the supremacy of the middle classes in politics and to avoid the anarchy that stemmed from popular participation. The seesaw politics of the Directory, which steered a middle course between left-wing radicalism and right-wing royalism, witnessed the annulment of electoral victories by royalists in 1797 and by radicals (Jacobins) in 1798 and undermined faith in the new constitution. Similarly, the regime won enemies with its attacks on Catholic worship while failing to rally educated and propertied elites in support of its policies. Initially, continued military victories by French armies (including those by Napoléon in Italy) buttressed the regime. But the reversal of military fortunes in 1799 and ten years of revolutionary upheaval prompted plotters to revise the constitution in a more authoritarian direction. In Napoléon, the plotters found their man as well as nearly continual warfare until 1815. “Citizens,” he announced, “the Revolution is established on the principles with which it began. It is over.”
The French Revolution is the quintessential revolution in modern history, its radicalism resting on a rejection of the French past and a vision of a new order based on universal rights and legal equality. The slogan “Liberty, Equality, Fraternity, or Death” embodies revolutionaries’ vision for a new world and their commitment to die for the cause. Both aspects of the slogan influenced subsequent struggles for freedom throughout the world, but one might look at the French slave colony of Saint-Domingue for an example. On Saint-Domingue the outbreak of revolution received acclaim by the lower classes among the 30,000 whites, while planters opposed talk of liberty and equality and the destruction of privileges. Revolutionary ideals also quickly spread among the island’s 30,000 free people of color (affranchis ), who, despite owning property and indeed slaves, suffered racial discrimination. Free people of color demanded full civil and political rights after 1789, but the denial of these rights resulted in a rebellion of the affranchis that was brutally repressed. In 1791 Saint-Domingue’s 450,000 slaves commenced the most successful slave revolt in history. Tensions among whites, mixed-race people, and slaves were exacerbated by British and Spanish actions to weaken their French rival, creating chaos on the island. The Convention’s commitment to equality and desire to win the allegiance of rebels resulted in the abolition of slavery in 1794. A later attempt by Napoléon to reinstate bondage on Saint-Domingue failed despite the capture of the ex-slaves’ skilled leader, Toussaint Louverture (c. 1743–1803), and the slave uprising culminated in the creation of an independent Haiti in 1804. Revolutionary principles of liberty and equality had led to national liberation and racial equality.
One also sees the revolution’s significance in the fact that nineteenth-century ideologies traced their origins to the event. Conservatism rejected the radical change and emphasis on reason of the revolution, while liberalism reveled in the ideals of individual liberty and legal (but not social) equality of 1789. Nationalists treated the concept of national sovereignty as a call to awaken from their slumber in divided states or multiethnic empires. Democratic republicans celebrated the radical phase, finding in its democratic politics and concern for the poor a statement of egalitarianism and incipient social democracy. Socialists perceived in the sans culotte phenomenon the rumblings of a working-class movement, while communists considered the Russian Revolution of 1917 the fulfillment of the aborted proletarian revolution of 1792–1794.
For much of the twentieth century Marxist historians understood the revolution as the triumph of a capitalist bourgeoisie and considered it a bloc (in other words, the radical phase of 1792–1794 was necessary to protect the gains of 1789–1791). Revisionists destroyed this view, treating the revolution as the triumph of a new political culture instead of a new social class and whose main outcome was the realization of the absolutist dream of a strong centralized state rather than a complete break with the past. The revisionists’ denial of social class as an important factor in the revolution opened the field to cultural studies and a focus on marginalized groups such as women and slaves. But the revisionist interpretation has failed to achieve consensus, and scholars continue to dispute the revolution’s legacy. According to the neo-democratic view, the declaration of universal human rights, abolition of slavery, and pattern of modern democratic politics give the revolution a foundational place in the struggle for a better world. For revisionists, the violence of the Terror, the destruction of revolutionary wars, the silencing of dissidents and Catholic worshipers, and the formation of a powerful centralized state render the revolution a source of twentieth-century political horrors ranging from nationalist wars to totalitarian regimes.
Students frequently puzzle over the significance of the revolution when, after all, the Bourbons were restored to the French throne after Napoléon’s final exile in 1815. But the restoration never undid the major gains of the revolution, which included the destruction of absolutism, manorialism, legal inequality, and clerical privilege, as well as commitments to representative government, a constitution, and careers open to talent. Once the revolutionary genie announced the principles of national sovereignty, natural rights, freedom, and equality, history has shown that it could not be put back in the bottle.
15 April 2011
INADEQUATE ACTION AND NEEDED TRANSFORMATIONS
Kyoto targets are at best a useful first step. However, even these targets, which seek to peg back emissions to 1990 levels by 2010, are unlikely to be met. World CO2 emissions in 2004 continued to rise in all regions of the world, by another 4.5 percent, to a level 26 percent higher than in 1990. A rise of over 2 degrees is considered inevitable if CO2 concentrations pass 400 ppm. At current growing emission rates, the concentration would reach 700 ppm by the end of the twenty-first century. The continuing industrialization of China, recently joined by India, points to the possibility of even faster rises than these projections indicate.
If unpredictable, amplifying feedback loops are triggered, improbable catastrophes become more likely. The Gulf Stream flow could be halted, freezing Britain and Northern Europe. Droughts could wipe out the agriculture of Africa and Australia, as well as Asia, where millions depend on Himalayan melt water and monsoon rains. If the ice caps melt completely over the next centuries, seas could rise by 7 meters, devastating all coastal cities. Will the human response to widespread ecological disasters give rise to solidarity and collective action, such as the aid that came after the 2004 Asian Tsunami or to social breakdowns, as seen in New Orleans after 2005’s Hurricane Katrina and in the Rwandan genocide?
Social and technical changes with the scale and speed required are not unprecedented. The displacement of horsepower by automobiles, for example, was meteoric. Production of vehicles in the United States increased from 8,000 in 1900 to nearly a million by 1912. Substantial regulation or differential taxation and subsidies would be indispensable to overcome short term profit motives and free riding dilemmas (where some evade their share of the cost of collective goods from which they benefit). Gains in auto efficiency in the 1980s, for example, were rapidly reversed by a new fashion for sport utility vehicles.
The debates that have emerged in the early twenty-first century have been related to responses, with different winners and losers, costs, benefits, dangers, and time scales for each response. Advocates of reduced energy consumption or increased efficiency, or energy generation by solar, wind, tidal, hydro, biomass, geothermal, nuclear, or clean coal and geo-sequestration, argue often cacophonously. Yet it seems probable that all these options are needed.
It will be essential for social and natural scientists to learn to cooperate in understanding and preempting the potentially catastrophic collision of nature and society. In order to accomplish this, market mechanisms; technological innovation; international, national, and local regulations; and cultural change will all be needed. Agents of change include governments, nongovernmental organizations, and public opinion, but the most likely front-runner might be sectors of capital seeking profit by retooling the energy and transport systems, while able to mobilize political enforcement.
If unpredictable, amplifying feedback loops are triggered, improbable catastrophes become more likely. The Gulf Stream flow could be halted, freezing Britain and Northern Europe. Droughts could wipe out the agriculture of Africa and Australia, as well as Asia, where millions depend on Himalayan melt water and monsoon rains. If the ice caps melt completely over the next centuries, seas could rise by 7 meters, devastating all coastal cities. Will the human response to widespread ecological disasters give rise to solidarity and collective action, such as the aid that came after the 2004 Asian Tsunami or to social breakdowns, as seen in New Orleans after 2005’s Hurricane Katrina and in the Rwandan genocide?
Social and technical changes with the scale and speed required are not unprecedented. The displacement of horsepower by automobiles, for example, was meteoric. Production of vehicles in the United States increased from 8,000 in 1900 to nearly a million by 1912. Substantial regulation or differential taxation and subsidies would be indispensable to overcome short term profit motives and free riding dilemmas (where some evade their share of the cost of collective goods from which they benefit). Gains in auto efficiency in the 1980s, for example, were rapidly reversed by a new fashion for sport utility vehicles.
The debates that have emerged in the early twenty-first century have been related to responses, with different winners and losers, costs, benefits, dangers, and time scales for each response. Advocates of reduced energy consumption or increased efficiency, or energy generation by solar, wind, tidal, hydro, biomass, geothermal, nuclear, or clean coal and geo-sequestration, argue often cacophonously. Yet it seems probable that all these options are needed.
It will be essential for social and natural scientists to learn to cooperate in understanding and preempting the potentially catastrophic collision of nature and society. In order to accomplish this, market mechanisms; technological innovation; international, national, and local regulations; and cultural change will all be needed. Agents of change include governments, nongovernmental organizations, and public opinion, but the most likely front-runner might be sectors of capital seeking profit by retooling the energy and transport systems, while able to mobilize political enforcement.
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SCIENTIFIC CONSENSUS
In May 2001 sixteen of the world’s national academies of science issued a statement, confirming that the IPCC should be seen as the world’s most reliable source of scientific information on climate change, endorsing its conclusions and stating that doubts about the conclusions were not justified.
In July 2005 the heads of eleven influential national science academies (from Brazil, Canada, China, France, Germany, India, Italy, Japan, Russia, the United Kingdom, and the United States) wrote to the G8 leaders warning that global climate change was “a clear and increasing threat” and that they must act immediately. They outlined strong and long-term evidence “from direct measurements of rising surface air temperatures and subsurface ocean temperatures and from phenomena such as increases in average global sea levels, retreating glaciers and changes to many physical and biological systems” (Joint Science Academies Statement 2005).
There are many unknowns regarding global warming, particularly those dependent on human choices; yet the consequences for society of either inadequate action or of any effective responses (through reduced consumption or enforced and subsidized technological change) will be huge. It is, for example, unlikely that the practices and values of free markets, individualism, diversity, and choice will not be significantly modified either by economic and political breakdowns or alternatively by the radical measures needed to preempt them.
In July 2005 the heads of eleven influential national science academies (from Brazil, Canada, China, France, Germany, India, Italy, Japan, Russia, the United Kingdom, and the United States) wrote to the G8 leaders warning that global climate change was “a clear and increasing threat” and that they must act immediately. They outlined strong and long-term evidence “from direct measurements of rising surface air temperatures and subsurface ocean temperatures and from phenomena such as increases in average global sea levels, retreating glaciers and changes to many physical and biological systems” (Joint Science Academies Statement 2005).
There are many unknowns regarding global warming, particularly those dependent on human choices; yet the consequences for society of either inadequate action or of any effective responses (through reduced consumption or enforced and subsidized technological change) will be huge. It is, for example, unlikely that the practices and values of free markets, individualism, diversity, and choice will not be significantly modified either by economic and political breakdowns or alternatively by the radical measures needed to preempt them.
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ANOMALIES AND REFUTATIONS
The science of global warming has progressed through tackling anomalies cited by skeptics. Critics of global warming made attempts to discredit the methodology of climatologist Michael Mann’s famous “Hockey stick” graph (first published in Nature in 1998). Mann’s graph showed average global temperatures over the last 1,000 years, with little variation for the first 900 and a sharp rise in the last century. After more than a dozen replication studies, some using different statistical techniques and different combinations of proxy records (indirect measures of past temperatures such as ice cores or tree rings), Mann’s results were vindicated. A report in 2006 by the U.S. National Academy of Sciences, National Research Council, supported much of Mann’s image of global warming history. “There is sufficient evidence from the tree rings, boreholes, retreating glaciers and other ‘proxies’ of past surface temperatures to say with a high level of confidence that the last few decades of the twentieth century were warmer than any comparable period for the last 400 years.” For periods before 1600, the 2006 report found there was not enough reliable data to be sure but the committee found the “Mann team’s conclusion that warming in the last few decades of the twentieth century was unprecedented over the last 1,000 years to be plausible” (National Academy of Science press release 2006).
Measurements from satellites and balloons in the lower troposphere have until recently indicated cooling, which contradicted measurements from the surface and the upper troposphere. In August 2005 a publication in Science of the findings of three independent studies described their measurements as “nails in the coffin” of the skeptics’ case. These showed that faulty data, which failed to allow for satellite drift, lay behind the apparent anomaly.
Another anomaly was that observed temperature rises were in fact less than the modelling of CO2 impacts predicted. This is now explained by evidence on the temporary masking properties of aerosols, from rising pollution and a cyclical upward swing of volcanic eruptions since 1960.
Critics of global warming have been disarmed and discredited. Media investigations and social research have increasingly highlighted the industry funding of skeptics and their think tanks, and the political pressures on government scientists to keep silent. Estimates of the catastrophic costs of action on emissions have also been contradicted most dramatically by the British Stern Report in October 2006. Many companies have been abandoning the skeptical business coalitions. The Australian Business Round Table on Climate Change estimated in 2005 that the cost to gross domestic product of strong early action would be minimal and would create jobs.
Measurements from satellites and balloons in the lower troposphere have until recently indicated cooling, which contradicted measurements from the surface and the upper troposphere. In August 2005 a publication in Science of the findings of three independent studies described their measurements as “nails in the coffin” of the skeptics’ case. These showed that faulty data, which failed to allow for satellite drift, lay behind the apparent anomaly.
Another anomaly was that observed temperature rises were in fact less than the modelling of CO2 impacts predicted. This is now explained by evidence on the temporary masking properties of aerosols, from rising pollution and a cyclical upward swing of volcanic eruptions since 1960.
Critics of global warming have been disarmed and discredited. Media investigations and social research have increasingly highlighted the industry funding of skeptics and their think tanks, and the political pressures on government scientists to keep silent. Estimates of the catastrophic costs of action on emissions have also been contradicted most dramatically by the British Stern Report in October 2006. Many companies have been abandoning the skeptical business coalitions. The Australian Business Round Table on Climate Change estimated in 2005 that the cost to gross domestic product of strong early action would be minimal and would create jobs.
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GROWING EVIDENCE OF GLOBAL WARMING
While originally eccentric, global warming was placed firmly on the agenda in 1985, at a conference in Austria of eighty-nine climate researchers participating as individuals from twenty-three countries. The researchers forecast substantial warming, unambiguously attributable to human activities.
Since that conference the researchers’ position has guided targeted empirical research, leading to supporting (and increasingly dire) evidence, resolving anomalies and winning near unanimous peer endorsement. Skeptics have been confounded and reduced to a handful, some discredited by revelations of dubious funding from fossil fuel industries.
Just before the end of the twentieth century, American researchers released ice-thickness data, gathered by nuclear submarines. The data showed that over the previous forty years the ice depth in all regions of the Arctic Ocean had declined by approximately 40 percent.
Five yearly aerial photographs show the ice cover on the Arctic Ocean at a record low, with a loss of 50 cubic kilometers annually and glacier retreat doubling to 12 kilometers a year. In September 2005 the National Aeronautics and Space Administration (NASA) doubled its estimates of the volume of melted fresh water flowing into the North Atlantic, reducing salinity and thus potentially threatening the conveyor that drives the Gulf Stream. Temperate mussels have been found in Arctic waters, and news broadcasts in 2005 and 2006 have repeatedly shown scenes of Inuit and polar bears (recently listed as endangered) cut off from their hunting grounds as the ice bridges melt.
In 2001 the Intergovernmental Panel on Climate Change (IPCC), the United Nation’s scientific panel on climate change, had predicted that Antarctica would not contribute significantly to sea level rise this century. The massive west Antarctic ice sheet was assumed to be stable. However, in June 2005 a British Antarctic survey reported measurements of the glaciers on this ice sheet shrinking. In October 2005 glaciologists reported that the edges of the Antarctic ice sheets were crumbling at an unprecedented rate and, in one area, glaciers were discharging ice three times faster than a decade earlier.
In 2005 an eight-year European study drilling Antarctic ice cores to measure the past composition of the atmosphere reported that CO2 levels were at least 30 percent higher than at any time in the last 65,000 years. The speed of the rise in CO2 was unprecedented, from 280 parts per million (ppm) before the Industrial Revolution to 388 ppm in 2006. Early in 2007 the Norwegian Polar Institute reported acceleration to a new level of 390 ppm. In January 2006 a British Antarctic survey, analyzing CO2 in crevasse ice in the Antarctic Peninsula, found levels of CO2 higher than at any time in the previous 800,000 years.
In April 2005 a NASA Goddard Institute oceanic study reported that the earth was holding on to more solar energy than it was emitting into space. The Institute’s director said: “This energy imbalance is the ‘smoking gun’ that we have been looking for” (Columbia 2005).
The second IPCC report in 1996 had predicted a maximum temperature rise of 3.5 degrees Fahrenheit by the end of the twenty-first century. The third report, in 2001, predicted a maximum rise of 5.8 degrees Fahrenheit by the end of the twenty-first century. In October 2006 Austrian glaciologists reported in Geophysical Research Letters (Kaser et al.) that almost all the world’s glaciers had been shrinking since the 1940s, and the shrinking rate had increased since 2001. None of the glaciers (contrary to skeptics) was growing. Melting glaciers could pose threats to the water supply of major South American cities and is already manifest in the appearance of many new lakes in Bhutan.
In January 2007 global average land and sea temperatures were the highest ever recorded for this month; in February 2007 the IPCC Fourth Report, expressing greater certainty and worse fears than the previous one, made headlines around the world. In 1995 few scientists believed the effects of global warming were already manifest, but by 2005 few scientists doubted it and in 2007 few politicians were willing to appear skeptical.
Although rising temperatures; melting tundra, ice and glaciers; droughts; extreme storms; stressed coral reefs; changing geographical range of plants, animals, and diseases; and sinking atolls may conceivably all be results of many temporary climate variations, their cumulative impact is hard to refute
Since that conference the researchers’ position has guided targeted empirical research, leading to supporting (and increasingly dire) evidence, resolving anomalies and winning near unanimous peer endorsement. Skeptics have been confounded and reduced to a handful, some discredited by revelations of dubious funding from fossil fuel industries.
Just before the end of the twentieth century, American researchers released ice-thickness data, gathered by nuclear submarines. The data showed that over the previous forty years the ice depth in all regions of the Arctic Ocean had declined by approximately 40 percent.
Five yearly aerial photographs show the ice cover on the Arctic Ocean at a record low, with a loss of 50 cubic kilometers annually and glacier retreat doubling to 12 kilometers a year. In September 2005 the National Aeronautics and Space Administration (NASA) doubled its estimates of the volume of melted fresh water flowing into the North Atlantic, reducing salinity and thus potentially threatening the conveyor that drives the Gulf Stream. Temperate mussels have been found in Arctic waters, and news broadcasts in 2005 and 2006 have repeatedly shown scenes of Inuit and polar bears (recently listed as endangered) cut off from their hunting grounds as the ice bridges melt.
In 2001 the Intergovernmental Panel on Climate Change (IPCC), the United Nation’s scientific panel on climate change, had predicted that Antarctica would not contribute significantly to sea level rise this century. The massive west Antarctic ice sheet was assumed to be stable. However, in June 2005 a British Antarctic survey reported measurements of the glaciers on this ice sheet shrinking. In October 2005 glaciologists reported that the edges of the Antarctic ice sheets were crumbling at an unprecedented rate and, in one area, glaciers were discharging ice three times faster than a decade earlier.
In 2005 an eight-year European study drilling Antarctic ice cores to measure the past composition of the atmosphere reported that CO2 levels were at least 30 percent higher than at any time in the last 65,000 years. The speed of the rise in CO2 was unprecedented, from 280 parts per million (ppm) before the Industrial Revolution to 388 ppm in 2006. Early in 2007 the Norwegian Polar Institute reported acceleration to a new level of 390 ppm. In January 2006 a British Antarctic survey, analyzing CO2 in crevasse ice in the Antarctic Peninsula, found levels of CO2 higher than at any time in the previous 800,000 years.
In April 2005 a NASA Goddard Institute oceanic study reported that the earth was holding on to more solar energy than it was emitting into space. The Institute’s director said: “This energy imbalance is the ‘smoking gun’ that we have been looking for” (Columbia 2005).
The second IPCC report in 1996 had predicted a maximum temperature rise of 3.5 degrees Fahrenheit by the end of the twenty-first century. The third report, in 2001, predicted a maximum rise of 5.8 degrees Fahrenheit by the end of the twenty-first century. In October 2006 Austrian glaciologists reported in Geophysical Research Letters (Kaser et al.) that almost all the world’s glaciers had been shrinking since the 1940s, and the shrinking rate had increased since 2001. None of the glaciers (contrary to skeptics) was growing. Melting glaciers could pose threats to the water supply of major South American cities and is already manifest in the appearance of many new lakes in Bhutan.
In January 2007 global average land and sea temperatures were the highest ever recorded for this month; in February 2007 the IPCC Fourth Report, expressing greater certainty and worse fears than the previous one, made headlines around the world. In 1995 few scientists believed the effects of global warming were already manifest, but by 2005 few scientists doubted it and in 2007 few politicians were willing to appear skeptical.
Although rising temperatures; melting tundra, ice and glaciers; droughts; extreme storms; stressed coral reefs; changing geographical range of plants, animals, and diseases; and sinking atolls may conceivably all be results of many temporary climate variations, their cumulative impact is hard to refute
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SPEEDING UP THE PROCESS
Global warming involves an unprecedented speeding up of the rate of change in natural processes, which now converges with the (previously much faster) rate of change in human societies, leading to a crisis of adaptation. Most authoritative scientific bodies predict that on present trends a point of no return could come within ten years, and that the world needs to cut emissions by 50 percent by mid twenty-first century.
It was natural scientists who first discovered and raised global warming as a political problem. This makes many of the global warming concerns unique. “Science becomes the author of issues that dominate the political agenda and become the sources of political conflict” (Stehr 2001, p. 85). Perhaps for this reason, many social scientists, particularly sociologists, wary of trusting the truth claims of natural science but knowing themselves lacking the expertise to judge their validity, have avoided saying much about global warming and its possible consequences. Even sociologists such as Ulrich Beck and Anthony Giddens, who see “risk” as a key attribute of advanced modernity, have said little about climate change.
For practical purposes, it can no longer be assumed that nature is a stable, well understood, background constant and thus social scientists do not need direct knowledge about its changes. Any discussion of likely social, economic, and political futures will have to heed what natural scientists say about the likely impacts of climate change.
It was natural scientists who first discovered and raised global warming as a political problem. This makes many of the global warming concerns unique. “Science becomes the author of issues that dominate the political agenda and become the sources of political conflict” (Stehr 2001, p. 85). Perhaps for this reason, many social scientists, particularly sociologists, wary of trusting the truth claims of natural science but knowing themselves lacking the expertise to judge their validity, have avoided saying much about global warming and its possible consequences. Even sociologists such as Ulrich Beck and Anthony Giddens, who see “risk” as a key attribute of advanced modernity, have said little about climate change.
For practical purposes, it can no longer be assumed that nature is a stable, well understood, background constant and thus social scientists do not need direct knowledge about its changes. Any discussion of likely social, economic, and political futures will have to heed what natural scientists say about the likely impacts of climate change.
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About global warming
DEFINITION OF GLOBAL WARMING
Global warming is understood to result from an overall, long-term increase in the retention of the sun’s heat around Earth due to blanketing by “greenhouse gases,” especially CO2 and methane. Emissions of CO2 have been rising at a speed unprecedented in human history, due to accelerating fossil fuel burning that began in the Industrial Revolution.
The effects of the resulting “climate change” are uneven and can even produce localized cooling (if warm currents change direction). The climate change may also initiate positive feedback in which the initial impact is further enhanced by its own effects, for example if melting ice reduces the reflective properties of white surfaces (the “albedo” effect) or if melting tundra releases frozen methane, leading to further warming. Debate continues about which manifestations are due to long-term climate change and which to normal climate variability.
Global warming is understood to result from an overall, long-term increase in the retention of the sun’s heat around Earth due to blanketing by “greenhouse gases,” especially CO2 and methane. Emissions of CO2 have been rising at a speed unprecedented in human history, due to accelerating fossil fuel burning that began in the Industrial Revolution.
The effects of the resulting “climate change” are uneven and can even produce localized cooling (if warm currents change direction). The climate change may also initiate positive feedback in which the initial impact is further enhanced by its own effects, for example if melting ice reduces the reflective properties of white surfaces (the “albedo” effect) or if melting tundra releases frozen methane, leading to further warming. Debate continues about which manifestations are due to long-term climate change and which to normal climate variability.
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