Warming 'very likely' human-made
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Climatic change is "very likely" down to human activities, the global body on climate science will say in a major report.
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A  Bush administration report suggests that evidence of global warming has begun to affect animal and plant populations in visible ways, and that rising temperatures in North America are due in part to human activity.
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Scientists are warning that the earth&#39;s climate could be changing more rapidly than anyone thought because of a sudden and unexplained rise in the main greenhouse gas, carbon dioxide.
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A new non-partisan study shows global warming is happening faster than anyone expected with effects in our own backyards. Biologist Doctor Camille Parmesan studies how living creatures respond to environmental
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There is no scientific evidence to back claims of man-made global warming. Period. Anyone who tells you that scientific research shows warming trends--be they teachers, newscasters, Congressmen, Senators, Vice Presidents or Presidents--is wrong.
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Global warming caused by human activity has more than doubled the risk of summers as hot as in 2003, when thousands of people in Europe died of heat-related causes, according to a UK study published in the journal Nature.
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Arctic ice is melting fast, much faster than anticipated, leading some scientists to believe we may have already passed the tipping point as far as global warming is concerned.
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A rise of 1 degree Celsius could be enough to trigger 'dangerous' warming, scientists warn.
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Global warming is likely to produce a significant increase in the intensity and rainfall of hurricanes in coming decades, according to an analysis.
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The climate is a-changin' Humanity is "very likely" to blame for global warming and, regardless of what action is taken now, recent increases in atmospheric carbon will have a profound effect on the planet.â¦
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An international team of scientists says the Arctic is warming much more rapidly than previously known because of the burning of fossil fuels around the world.
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Compelling evidence from a remote glacier suggests "drastic climate change," according to scientists.
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An unexplained jump in greenhouse gases since 2002 might herald a catastrophic acceleration of global warming if it becomes a trend, scientists said on Monday.
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An international panel of climate scientists said yesterday that there is an overwhelming probability that human activities are warming the planet at a dangerous rate, with consequences that could soon take decades or centuries to reverse.
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Many climate systems will undergo a series of sudden shifts this century as a result of human-induced climate change.
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Earth may be close to the warmest it   has been in the last million years, especially in the part of   the Pacific Ocean where potentially violent El Nino weather   patterns are born, climate scientists reported on Monday.
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MARK COLVIN: The scientific consensus seems to be growing that global warming is not just coming, it&#39;s upon us. An international climate change taskforce is meeting in Sydney this week to discuss ways of avoiding