Global Warming Feedback Loop Caused by Methane, Scientists Say
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Global warming may release methane&#151;a greenhouse gas 20 times more potent than carbon dioxide&#151;that increases temperatures and unlooses more methane, new research suggests.
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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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By Juliet Eilperin, Washington Post Staff Writer  The escalating level of carbon dioxide in the atmosphere is making the world's oceans more acidic, government and independent scientists say.
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A think tank partly funded by Exxon Mobil sent letters to scientists offering them up to $10,000 to critique findings in a major global warming study released Friday which found that global warming was real and likely caused by burning fossil fuels.
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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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Mankind is to blame for global warming, the world's top climate scientists said on Friday, sending governments a "crystal clear" warning they must take urgent action to avert damage that could last centuries.
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A report will describe a growing body of evidence that warming is likely to cause a profound transformation of the planet.
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The Earth's climate is out of balance and warming as a result of human activities, a leading science body warns.
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Most Americans blame emissions from cars and industrial plants as the primary cause of global warming and believe the United States should reduce levels even if other countries don't, a survey shows.
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A group of Japanese researchers has found that carbon dioxide levels over the Antarctica rose by over 2.6 percent from six years ago &#151; the first such detection of an increase in a "greenhouse" gas above the southern continent, group members said Tuesday.
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An unexplained and unprecedented rise in carbon dioxide in the atmosphere two years running has raised fears that the world may be on the brink of runaway global warming.
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An unexplained and unprecedented rise in carbon dioxide (CO2) in the atmosphere two years running has raised fears that the world may be on the brink of runaway global warming.
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Climate scientists agree there have been a lot of strong hurricanes lately. They agree that warmer seas have given these storms some extra punch. But they disagree how much global warming is to blame.
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Scientists are puzzled, but the phenomenon seems to fit the latest global-warming models.
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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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French scientists say an exchange of water vapor from the Atlantic to the Pacific might be an important feedback mechanism for abrupt climatic changes.
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Increases in carbon dioxide in the atmosphere have sparked concerns on how the planet is coping with greenhouse pollution. Scientists have detected record rises in carbon dioxide, the main