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Greenhouse gases produced mainly by the burning of fossil fuels are altering the atmosphere in ways that affect the Earth's climate, and it is likely that they have "contributed substantially" to the

Democratic presidential nominee Al Gore accused Republican rival George W. Bush yesterday of ignoring the dangers of global warming as he took an environmental message to the Midwest. Citing a new

Greenhouse gases are making the world even warmer than anybody had predicted, and it is almost certainly the fault of humans, a draft report from an international climate group concludes. The report,

By means of orbiters, rovers and sample return missions, NASA's revamped campaign to explore Mars, is poised to untravel the secrets of the Red Planet's past environments, the history of its rocks,

Singapore biologists clone a crab enzyme to help detect bacteria. The discovery of this enzyme, called Factor C was particularly important since in its natural form it is used widely to detect toxic

Australia's drought-prone southern regions were likely to become drier over the next 50 years, a study of nine international global climate models has found. Australia's Commonwealth, Scientific and

A Japanese government plan to attain up to 3.7 percent of its total 6 percent carbon dioxide reduction target through forest absorption has been partly rejected, a document released on the Web site

In London, Paris and Berlin, governments have been licking the wounds inflicted by the recent oil protests. The governments survived the demonstrations but efforts to stop global warming-in

As concern over climate change heats up, electrical utilities and other polluters are investing in tropical forests. By protecting existing forests or growing new ones, companies hope to use the

Almost 400 acres of trees have been planted in Tennessee by a Houston-based energy company that is replenishing forests in the Lower Mississippi Valley in anticipation of federal rules that may allow

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