News tagged with water use

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Award-winning A/C uses old idea, new materials

If thirst is crucial to knowledge, then one crucial step in the evolution of air conditioning was born in the 1970s, when Ron Judkoff was a hot, thirsty Peace Corp volunteer in Kedougou, Senegal, one of the warmest places ...

Dec 18, 2012
5 / 5 (15) 10 | with audio podcast

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

Tech revolution ends up in the toilet

It's one of the most critical pieces of technology in your home. And though most consumers don't think of their humble toilet as a tech product, researchers and engineers at global companies are racing to improve designs ...

Jul 09, 2012
5 / 5 (2) 1