News tagged with chlorofluorocarbons

Is the ozone layer on the road to recovery?

(Phys.org)—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international ...

Feb 10, 2013
4.4 / 5 (14) 8 | with audio podcast

A material that most liquids won't wet

(Phys.org)—A nanoscale coating that's at least 95 percent air repels the broadest range of liquids of any material in its class, causing them to bounce off the treated surface, according to the University ...

Jan 16, 2013
5 / 5 (20) 9 | with audio podcast

Carbon dioxide controls Earth's temperature

(PhysOrg.com) -- Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on ...

Oct 14, 2010
3.7 / 5 (54) 327 | with audio podcast

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 ...

Sep 24, 2010
4.7 / 5 (38) 35 | with audio podcast

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 ...

May 04, 2009
4.3 / 5 (18) 4

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 ...

Apr 30, 2009
2.4 / 5 (14) 3

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.

Jan 21, 2009
2.4 / 5 (5) 10