From Obama's green revolution to marine energy simulators, we run down the stories that have been making waves this week
Water rationing on the cards as part of wide-ranging plan to tackle three-year drought
Officials warn ongoing drought could result in severe water shortages if new pumping infrastructure not completed on schedule
New US energy chief warns climate change droughts could destroy California's agricultural industry, as scientist predicts sea level rises could be higher than expected
Vestas boss claims wind energy is not just more carbon efficient than coal and nuclear, it uses far less water too
Defra and Cranfield business school team up to develop climate change risk best practices
Munich Re claims 2008 was third worst year on record for natural disaster related losses, and warns climate change will lead to increased risks in the future
In the face of increasing scarcity and rising costs, companies are beginning to realise that water, like energy and carbon, should be a key pillar of a corporate sustainability strategy
New £7.7m flood warning and response centre leads government response to the Pitt Review
US Geological Survey report claims latest evidence of glacial melting suggests sea levels could rise by over 150cm by century's end