Quantum physicists turn waste heat into power

(PhysOrg.com) -- University of Arizona physicists have discovered a new way of harvesting waste heat and turning it into electrical power. Taking advantage of quantum effects, the technology holds great promise for making ...

North America backs plan to cut greenhouse gases

(AP) -- Small island nations gained North America's powerful backing Tuesday for a plan to convert the U.N. ozone treaty into a tool for phasing out some of the globe's most powerful climate-warming gases.

US supports reducing climate-warming gases

(AP) -- The Obama administration called hydrofluorocarbons widely used in refrigerators and air conditioners "a very significant" threat to climate change Monday, and expressed a preference for drastically reducing HFCs ...

US wants to move on climate change

(AP) -- The Obama administration, in a major environmental policy shift, is leaning toward asking 195 nations that ratified the U.N. ozone treaty to enact mandatory reductions in hydrofluorocarbons, according to U.S. officials ...

Satellites provide new insight into ozone-depleting species

Using data from the satellite-based MIPAS and GOME-2 instruments, scientists have for the first time detected important bromine species in the atmosphere. These new measurements will help scientists to better understand sources ...

Termite insecticide a potent greenhouse gas

(PhysOrg.com) -- An insecticide used to fumigate termite-infested buildings is a strong greenhouse gas that lives in the atmosphere nearly 10 times longer than previously thought, UC Irvine research has found.

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