EarthCarbon dioxide could be turned into a huge underground battery Storing excess energy with carbon dioxide compressed underground could help even out our energy flow and clean up the atmosphere 51¶¯Âþ
EarthDrought prompts 25 per cent water cut in California "We are in a new era," said the state's governor, Jerry Brown, after the annual Sierra Nevada snowpack measurement showed no snow this year – which was a first 51¶¯Âþ