Global warming could pose heart threat
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Global warming may be melting glaciers and forcing polar bears onto land, but doctors warn it could also affect your heart. "If it really is a few degrees warmer in the next 50 years, we could definitely have more cardiovascular disease," said Dr. Karin Schenck-Gustafsson, of the department of cardiology at Sweden's Karolinska Institute.
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The amount of carbon dioxide in the Earth&#39;s atmosphere has increased faster than expected in the last two years, renewing concern that global warming may accelerate.
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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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Science & environment: In pictures:  A UN report has warned of the dangers posed by global warming.
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The planet isn't the only thing heating up because of climate change. Some renewable-energy stocks have been pretty hot, too.
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Global warming could cut a swathe through the planet's species over the coming centuries, warns a study released Wednesday that shows a link between rising temperatures and mass extinctions reaching back half a billion years.
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Few consequences of global warming pose as severe a threat to human society as sea-level rise. But scientists have yet to figure out how to predict it.
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Climate change could have global security implications on a par with nuclear war unless urgent action is taken, a report said on Wednesday.
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By Steve Bloomfield  Climate change has become a major security issue that could lead to "a world going up in flames", the United Nations' top environment official has warned.
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Animal and plant species have begun dying off or changing sooner than predicted because of global warming, a review of hundreds of research studies contends.
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Researchers look back millions of years to predict how the Earth may react to current elevated levels of carbon dioxide. They say our planet appears more vulnerable to the greenhouse gas than previously believed. By Stephen Leahy.
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Recent storms, droughts and heat waves are probably being caused by global warming, which means the effects of climate change are coming faster than anyone had feared, climate experts said on Thursday.
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The harmful effects of global warming on daily life are already showing up, and within a couple of decades hundreds of millions of people won't have enough water, top scientists will say next month at a meeting in Belgium.
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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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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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Growing evidence suggests that pollutants in car exhaust may trigger heart attacks
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Politicians in the nation's capital have been reluctant to set limits on the carbon dioxide pollution that is expected to warm the planet by 4 to 7 degrees Fahrenheit during the next century, citing uncertainty about the severity of the threat. But that uncertainty may have shrunk somewhat with the release last week of two scientific reports suggesting that global warming is not just a hypothetical possibility, but a real phenomenon that has already started transforming especially sensitive parts of the globe.