Polar bears are at risk of dying off if humans don't reverse the trend of global warming, a blunt U.S. government report filed Thursday said.
Globular clusters—dazzling agglomerations of up to a million ancient stars—are among the oldest objects in the universe. Though plentiful in and around many galaxies, newborn examples are vanishingly rare and the conditions ...
As the Earth's climate continues to warm, researchers are working to understand how human-driven emissions of carbon dioxide will affect the release of naturally occurring greenhouse gases from arctic permafrost. As the perennially ...
California lawmakers on Wednesday pushed through an ambitious climate change package to further reduce the state's carbon footprint and boost the use of renewable energy to 50 percent in 15 years.
Substances commonly used for drilling or extracting Marcellus shale gas foamed from the drinking water taps of three Pennsylvania homes near a reported well-pad leak, according to new analysis from a team of scientists.
Scientists on Tuesday called for action to defuse a time bomb of Arctic greenhouse gas as negotiators at UN talks grappled over a climate rescue pact.
Large-scale organic farming operations, based on a review of almost a decade of data from 49 states, are not reducing greenhouse gas emissions, says a University of Oregon researcher.
In another ominous sign of human-caused climate change, US government scientists said Wednesday that global carbon dioxide concentrations have reached a new monthly record of 400 parts per million.
Live Aid took place 30 years ago this summer, raising £150million for drought-stricken regions of Africa. But the world inadvertently did something else to help: greenhouse gas increases brought back life-giving rains.
The production of petroleum from Canada's oil sands is on the rise with much of it destined for U.S. refineries. As the U.S. takes stock of its greenhouse gas emissions, scientists report in the ACS journal Environmental ...