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17 Nov 14
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The global warming controversy concerns the public debate over whether global warming is occurring, how much has occurred in modern times, what has caused it, what its effects will be, whether any action should be taken to curb it, and if so what that action should be
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Disputes over the key scientific facts of global warming are now more prevalent in the popular media than in the scientific literature, where such issues are treated as resolved, and more in the United States than globally.
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15 May 13
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The global warming controversy concerns the public debate over whether global warming is occurring, how much has occurred in modern times, what has caused it, what its effects will be, whether any action should be taken to curb it, and if so what that action should be.
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In the scientific literature, there is a strong consensus that global surface temperatures have increased in recent decades and that the trend is caused primarily by human-induced emissions of greenhouse gases.[2][3][4] No scientific body of national or international standing disagrees with this view,[5] though a few organizations hold non-committal positions.[6] Disputes over the key scientific facts of global warming are now more prevalent in the popular media than in the scientific literature, where such issues are treated as resolved, and more in the United States than globally.[7][8][9]
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19 Apr 13
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In the scientific literature, there is a strong consensus that global surface temperatures have increased in recent decades and that the trend is caused primarily by human-induced emissions of greenhouse gases.[2][3][4] No scientific body of national or international standing disagrees with this view,
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Primary issues concerning the existence and cause of climate change include the reasons for the increase in global average air temperature, whether the warming trend exceeds normal climatic variations, whether humankind has contributed significantly to it, and whether the increase is wholly or partially an artifact of poor measurements
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Climate scientists, especially in the US, have reported official and oil-industry pressure to censor or suppress their work and hide scientific data, with directives not to discuss the subject in public communications. Legal cases regarding global warming, its effects, and measures to reduce it, have reached American courts. The fossil fuels lobby, oil industry advocates and free market think tanks have often been accused of overtly or covertly supporting efforts to undermine or discredit the scientific consensus on global warming.
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In the United States, the mass media devoted little coverage to global warming until the drought of 1988
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The British press also changed its coverage at the end of 1988, following a speech by Margaret Thatcher to the Royal Society advocating action against human-induced climate change
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West Germany started to take action after the Green Party took seats in Parliament in the 1980s. All countries of the European Union ratified the 1997 Kyoto Protocol.
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In 2007 the BBC announced the cancellation of a planned television special Planet Relief, which would have highlighted the global warming issue and included a mass electrical switch-off.[
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31 Jan 13
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25 Jan 13
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No scientific body of national or international standing disagrees with this view,
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cause of climate change
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The sources of funding for those involved with climate science – both supporting and opposing mainstream scientific positions – have been questioned by both sides.
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(International) Human activity is a significant cause of climate change.[24] 79 2007 -
science broadcaster and environmental activist, David Suzuki, reports that focus groups organized by the David Suzuki Foundation showed the public has a poor understanding of the science behind global warming
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The finding that the climate has warmed in recent decades and that human activities are already contributing adversely to global climate change has been endorsed by every national science academy that has issued a statement on climate change, including the science academies of all of the major industrialized countries.
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the part of the IPCC to which my expertise is relevant" that "I personally cannot in good faith continue to contribute to a process that I view as both being motivated by pre-conceived agendas and being scientifically unsound",[58] because of comments made at a press conference by Kevin Trenberth of which Landsea disapproved.
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14 Oct 12
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standard" view of climate change has come to be defined by the reports of the IPCC
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David Biello, writing in the Scientific American, argues that, because of the need to secure consensus among governmental representatives, the IPCC reports give conservative estimates of the likely extent and effects of global warming.
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Some say only that it has not yet been ascertained whether humans are the primary cause of global warming; others attribute global warming to natural variation; ocean currents; increased solar activity or cosmic rays.
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Solar activity could affect climate either by variation in the Sun's output or, more speculatively, by an indirect effect on the amount of cloud formation.
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may be at its highest level in 8,000 years;
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[The] point is that one or two degrees is about the experience that we have had in the last 10,000 years, t
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22 Jul 12
Glenn TarulloThis is a rather long article but it give a good history of the controversy surrounding this issue. It covers, for example, greenhouse gases, solar variation, the problem of instrumental temp. reading, etc.
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18 Apr 12
viniciusjlThe global warming controversy includes a variety of disputes about the nature, causes, and consequences of global warming. The debates are more in the popular media than in the scientific literature.[1][2] The disputed issues involve the causes of increa
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21 Mar 12
Rodrigo OviedoAn article with information about the controversy surrounding Global Warming
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06 Mar 12
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Chris Mooney, author of The Republican War on Science, has argued that the appearance of overlapping groups of skeptical scientists, commentators and think tanks in seemingly unrelated controversies results from an organized attempt to replace scientific analysis with political ideology.
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16 Sep 11
Peter BorenThis is the Wikipedia page for global warming controversy. It's just a brief overview but it does a good job at narrowing some specific topics of controversy.
HW7 eng102gerch Global Warming controversy wikipedia overview
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07 Aug 11
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16 Feb 11
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04 Oct 10
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he level of coverage that US mass media devoted to global warming "was minimal prior to 1988" but interest increased significantly after the drought of 1988, and related Senate testimony of James E. Hansen "attributing the abnormally hot weather plaguing our nation to global warming".[4] Similarly, incipient coverage of climate change in the British press "changed at the end of 1988 ... stimulated by Margaret Thatcher's appropriation of the risks of climate change to promote nuclear energy and dismantle the coal industry ... but also by environmental organizations and political forces in opposition who demanded solutions that contrasted with the government's
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21 Sep 10
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07 May 10
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The disputed issues include the causes of increased global average air temperature
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especially since the mid-20th century, whether this warming trend is unprecedented or within normal climatic variations, whether humankind has contributed significantly to it, and whether the increase is wholly or partially an artifact of poor measurements.
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The finding that the climate has warmed in recent decades and that human activities are already contributing adversely to global climate change has been endorsed by every national science academy that has issued a statement on climate change
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no remaining scientific society is known to reject the basic findings of human influence on recent climate change.
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Opponents either maintain that most scientists consider global warming "unproved", dismiss it altogether, or highlight the dangers of focusing on only one viewpoint in the context of what they say is unsettled science, or point out that science is based on facts and not on opinion polls
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A January 19, 2009 survery of over 10,000 scientists as listed by the American Geological Institute showed 90% agreed that global temperatures have risen in the last 200 years, and 82% agreed that human activity played a significant role.
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Attribution of recent climate change discusses how global warming is attributed to anthropogenic GHGs. Correlation of CO2 and temperature is not part of this evidence. Nonetheless, one argument against global warming claims that rising levels of carbon dioxide (CO2) and other greenhouse gases (GHGs) do not correlate with global warming
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Reproduction of the temperature record using historical forcings
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ocean currents
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Others attribute global warming to natural variation
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increased solar activity
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cosmic rays
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or unknown natural causes (e.g., Leroux).
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A few studies claim that the present level of solar activity is historically high as determined by sunspot activity and other factors. Solar activity could affect climate either by variation in the Sun's output or, more speculatively, by an indirect effect on the amount of cloud formation. Solanki and co-workers suggest that solar activity for the last 60 to 70 years may be at its highest level in 8,000 years; Muscheler et al. disagree, suggesting that other comparably high levels of activity have occurred several times in the last few thousand years.[72] Both Muscheler et al. and Solanki et al. conclude that "solar activity reconstructions tell us that only a minor fraction of the recent global warming can be explained by the variable Sun."
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02 Feb 10
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27 Jan 10
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this warming trend is unprecedented or within normal climatic variations
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the increase is wholly or partially an artifact of poor measurements
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humankind has contributed significantly to it
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predictions of additional warming
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estimates of climate sensitivity
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what the consequences of global warming will be
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Nonetheless, one argument against global warming claims that rising levels of carbon dioxide (CO2) and other greenhouse gases (GHGs) do not correlate with global warming.[54]
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General circulation models and basic physical considerations predict that in the tropics the temperature of the troposphere should increase more rapidly than the temperature of the surface. Models and observations agree on this amplification for monthly and interannual time scales but not for decadal time scales in most observed data sets.
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Analysis of carbon isotopes in atmospheric CO2 shows that the recent observed CO2 increase cannot have come from the oceans, volcanoes, or the biosphere, and thus is not a response to rising temperatures as would be required if the same processes creating past lags were active now.[59]
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Some say only that it has not yet been ascertained whether humans are the primary cause of global warming (e.g., Balling, Lindzen, and Spencer). Others attribute global warming to natural variation (e.g., Soon and Baliunas), ocean currents (e.g., Gray), increased solar activity (e.g., Shaviv and Veizer), cosmic rays (e.g., Svensmark), or unknown natural causes (e.g., Leroux).
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The consensus position (as represented for example by the IPCC Fourth Assessment Report) says that solar radiation may have increased by 0.12 W/m² since 1750, compared to 1.6 W/m² for the net anthropogenic forcing.[75] The TAR said, "The combined change in radiative forcing of the two major natural factors (solar variation and volcanic aerosols) is estimated to be negative for the past two, and possibly the past four, decades."[76]
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Roger A. Pielke claims melting Arctic sea ice is a result of regional warming and not global warming.[116]
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Various individuals, most notably writer Michael Crichton,[119] have asserted that Antarctic temperature measurements[120] contradict global warming.
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09 Dec 09
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04 Dec 09
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22 Nov 09
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The global warming controversy is a dispute regarding the nature, causes, and consequences of global warming.
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21 Apr 09
Gabriel SternWikipedia: global warming controversy
"Global Warming" > Argument
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26 Jul 08
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Human activity is a significant cause of climate change. 79 World/2007 -
Climate change is a serious problem. 90 World/2006
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28 May 07
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LEDC's development
It is alleged that various governments are over-playing the problem of global warming in an attempt to limit and slow down LEDC's (less economically developed countries) industrial development. This would work in other countries' favour as it would eliminate any future industrial competition.
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05 Dec 06
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