News tagged with energy states

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

How diamonds emerge from graphite

Scientists have used a new method to precisely simulate the phase transition from graphite to diamond for the first time. Instead of happening concerted, all at once, the conversion evidently takes place in ...

Sep 21, 2011 4.7 / 5 (3) 0 | with audio podcast