Ice Age blast 'ravaged America'
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A controversial idea suggests a space rock exploded over America 13,000 years ago, wiping out large mammals.
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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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Thousands of years before white and Indian hunters drove the buffalo of America&#39;s Great Plains to virtual extinction, the ancestors of those lordly animals suffered a similar fate -- but it was major climate change, not hunting, that did them in, says an
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One person was killed and one person injured when a pipeline carrying natural gas to the northeastern and mid-Atlantic states recently hard hit by winter storms exploded in northeast Louisiana, at about 1 p.m. CST (1900 GMT), according to local media reports.
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Global warming (news - web sites) is heating the Arctic almost twice as fast as the rest of the planet in a thaw that threatens the livelihoods
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Scientists say changes in the earth&#39;s climate from human influences are occurring particularly intensely in the Arctic region, evidenced by widespread
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Ancient bison DNA may help explain a longstanding mystery of North American wildlife: why mammoths, North American lions, short-faced bears and many other large mammals disappeared about 10,000 years ago.
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Fossils suggest a worldwide cold spell millions of years ago caused the extinction of many cold-blooded animals in North America, thanks to a reverse greenhouse effect.
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The economic benefits of global warming Pessimists convinced that global warming will eventually bring about the destruction of humanity should take note that there's one piece of cheering news to come from the inexorable retreat of the polar ice caps: we won't be short of top-quality zinc as we all go to hell in a handcart.â¦
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For years, geologists and devoted amateurs have lobbied for a regional trail dedicated to ice-age floods. At last, their efforts may pay off.
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Whenever the world's tropical seas warm several degrees, Earth has experienced mass extinctions over millions of years, according to a first-of-its-kind statistical study of fossil records.
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Global warming is heating the Arctic almost twice as fast as the rest of the planet in a thaw that threatens millions of livelihoods and could wipe
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There's more to the recent dramatic and alarming thawing of the Arctic region than can be explained by man-made global warming alone, a new study found. Nature is pushing the Arctic to the edge, too
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&quot;At 9:45 am (2:45 am British time) we received the signal for a methane blast. At the time, a 45-strong repair team was working in that.
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Not all of the Arctic thaw is caused by man. Nature plays a role, too, but that doesn't let us off the hook for the damage we've done.
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There's more to the recent dramatic and alarming thawing of the Arctic region than can be explained by man-made global warming alone, a new study found. Nature is pushing the Arctic to the edge, too.
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New research is raising concerns that global warming may be triggering a self-perpetuating climate time bomb trapped in once-frozen permafrost.