Mammoth dung, prehistoric goo may speed warming
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DUVANNY YAR, Russia  - Sergei Zimov bends down, picks up a handful of treacly mud and holds it up to his nose. It smells like a cow pat, but he knows better.
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The ammonia and crystalline ice would be destroyed in about 10 million years,&quot; Jewitt says. &quot;This implies Quaoar gets recoated on that time scale or faster.
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Ice caps are melting on both Earth and Mars. According to one researcher's controversial theory, this suggests that global warming has nothing to do with humankind.
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Global warming is set to accelerate in the Arctic and bring drastic change for people and wildlife in coming decades, according to a draft report that has opened cracks among nations in the region about how to slow the thaw.
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Excavations for the Channel Tunnel rail link show scientists a glimpse of climate change 55 million years ago.
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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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In Siberia the world's largest peatlands absorb greenhouse gasses. But could global warming thaw and dry the bogs, turning them into greenhouse gas faucets?
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A new hypothesis could explain how the climate of early Mars became warm enough to support oceans.
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CUATRO CI&#xC9;NEGAS, Mexico -- Dairy farming is endangering an ancient oasis in the Great Chihuahuan Desert that scientists say can help them understand earth's beginnings, global warming, and the chances of life on Mars.
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DNA analysis of bison fossils suggests climate and environmental change, not human hunters, triggered herd declines and the extinction of mammoths, saber-toothed cats, and other large mammals in Siberia and North America.
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Global warming (news - web sites) is melting the Arctic ice faster than expected, and the world&#39;s oceans could rise by about a meter (3 feet
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Indonesia's vast tropical peatlands, a bog of plant debris undisturbed for centuries until they were drained for cultivation, have become a perennial fire hazard and, a new study says, possibly a significant contributor to global warming.
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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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Global warming is melting the Arctic ice faster than expected, and the world's oceans could rise by about a meter (3 feet) by 2100, swamping homes from Bangladesh to Florida, the head of a study said on Tuesday.
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A sudden influx of freshwater from North America's ancient Lake Agassiz to the North Atlantic 8,200 years ago triggered a precipitous cooling of the region, scientists believe. Now they are trying to predict if and when a similar scenario might happen again.
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Glaciers are melting faster than before in some regions from the Arctic to the Alps but others are getting bigger, scientists said on Friday.
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Arctic regions are warming twice as fast as the rest of the world - a trend marked by melting glaciers, shrinking sea ice and climatic changes that are turning solid ground into swamps, exposing coastal villages to erosion and threatening wildlife.