News tagged with global carbon emissions

US carbon emissions in surprise drop

US emissions of carbon dioxide blamed for climate change fell in 2011 and have slipped to a 20-year low this year as the the world's largest economy uses more natural gas and less coal, data shows.

Aug 17, 2012
4.5 / 5 (13) 43

Researchers create carbon dioxide-separating polymer

(Phys.org) -- Carbon dioxide is the primary greenhouse gas emitted through human activities, such as the combustion of fossil fuels for energy and transportation, and it is widely accepted that it is one of the primary greenhouse ...

Aug 01, 2012
5 / 5 (4) 0

Geoengineering: A whiter sky

One idea for fighting global warming is to increase the amount of aerosols in the atmosphere, scattering incoming solar energy away from the Earth's surface. But scientists theorize that this solar geoengineering could have ...

May 31, 2012
4.4 / 5 (5) 16 | with audio podcast

Carbon dioxide emissions reach record high

Emissions of heat-trapping carbon dioxide reached an all-time high last year, further reducing the chances that the world could avoid a dangerous rise in global average temperature by 2020, according to the International ...

May 29, 2012
4.2 / 5 (14) 35