From Obama's green revolution to marine energy simulators, we run down the stories that have been making waves this week
Oil giant predicts Florida facility will produce 36 million gallons of cellulosic ethanol per year from 2012
One planned US coal-fired power plant already cancelled as Environmental Protection Agency announces overhaul of coal policy
New research reveals a number of cheaper, more abundant alternatives to silicon
Water rationing on the cards as part of wide-ranging plan to tackle three-year drought
Carbon market experts claim lack of political will has hampered JI progress
The IT industry's carbon footprint may be rising, but according to Intellect's Emma Fryer any increases will be dwarfed by the emission savings the sector can deliver for the wider economy
Industry concerned UK's expanded Carbon Reduction Commitment cap-and-trade scheme will treat private equity portfolios as one group - landing them with a huge administrative headache
One plant fined over safety lapses and a reprocessing plant looks set to close as complaints surface over scrapping of safety advisory body