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2014 Antarctic ozone hole holds steady

The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The size of this year's hole was 24.1 million ...

Oct 30, 2014
4.2 / 5 (11) 20

Fracking's environmental impacts scrutinised

(Phys.org) —Greenhouse gas emissions from the production and use of shale gas would be comparable to conventional natural gas, but the controversial energy source actually faired better than renewables on some environmental ...

Sep 22, 2014
1 / 5 (1) 0

Scientists say the ozone layer is recovering

Earth's protective ozone layer is beginning to recover, largely because of the phase-out since the 1980s of certain chemicals used in refrigerants and aerosol cans, a U.N. scientific panel reported Wednesday ...

Sep 10, 2014
3.3 / 5 (3) 1

Obstacles to a revolution in air technology

When in 1873 Jules Verne published his novel of planet-trotting high adventure, the world was on the verge of an explosion in global travel. New trans-continental railways and the Suez canal promised an increas ...

Oct 13, 2014
4.1 / 5 (12) 3

Not just cool – it's a gas

In space, a new way of producing gas is being tested for steering satellites. On Earth, it is now fighting fires without harming the environment – and business insiders say it could be revolutionary.

Sep 12, 2014
5 / 5 (7) 0

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