U.S. Study Links Human Activity to Global Warming
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Warmer temperatures in North America  since 1950 were likely caused in part by human activities, the  Bush administration said in a report that seems to contradict  the White House position there was no clear scientific proof on  the causes of global warming.
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By THOMAS CONTENT and LEE BERGQUIST Wisconsin generates greenhouse gases linked to global warming at a rate that is about one-third faster than the national average, a Journal Sentinel analysis found.
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Hurricanes feed on warm water, and a  study released on Monday shows a link between warmer ocean  temperatures and human use of fossil fuels, challenging  skeptics who blame them on natural climate cycles.
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The costs of climate change to the United States will outweigh its benefits, according to a new University of Maryland study.
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BERLIN, May 21 (IPS) - New scientific evidence confirms that human action,  such as carbon emissions causing global  warming, and  industrial-scale search for food, is decimating biodiversity -  and, in some  cases, is driving threatened species to evolve and  adapt at unexpected speed to new living  conditions.
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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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Human activities are affecting every square mile of the world's oceans, according to a study by a team of American, British and Canadian researchers who mapped the severity of the effects from pole to pole.
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Research suggests that the Sun's activity is not responsible for the onset of global warming.
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A comprehensive four-year study of warming in the Arctic shows that heat-trapping gases from tailpipes and smokestacks around the world are contributing to profound environmental changes
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Global warming could reduce how many hurricanes hit the United States, according to a new federal study that clashes with other research. The new study is the latest in a contentious scientific debate over how man-made global warming may affect the intensity and number of hurricanes.
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A study of warming in the Arctic shows that gases from tailpipes and smokestacks are contributing to profound environmental changes.
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Greenhouse gas emissions -- not El Nino or other natural phenomena -- pushed U.S. temperatures for 2006 close to a record high, government climate scientists reported on Tuesday.
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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 has emerged as a top New York environmental issue, with accumulated scientific data showing a hotter atmosphere and projecting more radical changes over the next century from automobile and power plant emissions, according to a report issued Wednesday.
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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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Climatic change is "very likely" down to human activities, the global body on climate science will say.
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A new study offers definitive proof that global warming is all too real, responsible for the highest temperatures in at least 400 years