Plugging the hole in Hawking's black hole theory
(Phys.org) —Recently physicists have been poking holes again in Stephen Hawking's black hole theory – including Hawking himself. For decades physicists across the globe have been trying to figure out ...
UN scientists see grim future if no climate action
UN scientists are set to deliver their darkest report yet on the impacts of climate change, pointing to a future stalked by floods, drought, conflict and economic damage if carbon emissions go untamed.
Meeting climate targets may require reducing meat and dairy consumption
Greenhouse gas emissions from food production may threaten the UN climate target of limiting global warming to 2 degrees Celsius, according to research at Chalmers University of Technology, Sweden.
Wind power cost competitive with natural gas, study finds
(Phys.org) —The costs of using wind energy and natural gas for electricity are virtually equal when accounting for the full private and social costs of each, making wind a competitive energy source for ...
UN document warning of grave climate future completed
Leading scientists and officials completed a fresh climate report Sunday expected to lay bare the grim impact of climate change, with warnings that global food shortages could spark violence in vulnerable ...
UN panel shows who's responsible for CO2 emissions
The U.N.'s expert panel on climate change is preparing a new report this weekend outlining the cuts in greenhouse gases, mainly CO2 from the burning of fossil fuels, required in coming decades to keep global ...
Climate meeting to discuss future of fossil fuels
After concluding that global warming almost certainly is man-made and poses a grave threat to humanity, the U.N.-sponsored expert panel on climate change is moving on to the next phase: what to do about it.
Permafrost thaw exacerbates climate change
The climate is warming in the arctic at twice the rate of the rest of the globe creating a longer growing season and increased plant growth, which captures atmospheric carbon, and thawing permafrost, which ...
UN climate panel chair calls for 'enlightenment'
The head of the United Nations scientific panel on climate change urged diplomats and scientists to show "enlightenment" Monday, as they began a weeklong meeting aimed at spelling out in plain terms what ...
Research clarifies health costs of air pollution from agriculture
(Phys.org) —Ammonia pollution from agricultural sources poses larger health costs than previously estimated, according to NASA-funded research.
What will climate policy mean for coal?
Limiting climate change to 2 degrees C means shutting down coal power plants - an unpopular proposition for coal power companies. But a new study shows that delaying climate policies could prove even worse for power plant ...
Spanish island eyes world first with wind, water power
A Spanish island hopes to become the first in the world fully powered by renewable energy later this year when it launches a new wind and water energy plant, a spokeswoman said Thursday.
Governments weigh options to brake climate peril (Update)
Government envoys and scientists gathered under the UN banner in Berlin Monday to hammer out a list of options for curbing carbon emissions driving dangerous climate change.
Cost of fighting warming 'modest,' says UN panel
The cost of keeping global warming in check is "relatively modest," but only if the world acts quickly to reverse the buildup of heat-trapping gases in the atmosphere, the head of the U.N.'s expert panel ...