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25-Mar-12
"A new study claims lasers would be more effective than bombs in vaporising an unwanted asteroid. By Robin McKie"
23-Mar-12
"One couple signed up for a PV installation in their roof - then found the 25-year lease made it hard to remortgage their home, despite official guidelines"
22-Mar-12
"Energy secretary tells conference that growing pressure on water resources could worsen existing war and lead to new ones"
19-Mar-12
"World's biggest polluter spends £4bn a year on wind and solar power generation in single region as it aims to cut fossil fuel use"
19-Mar-12
"Critics say new scorecard to evaluate social and environmental impacts of hydropower projects serves dam builders not local communities"
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