More from Fred Pearce
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Niger river dams could displace 1.5 million
News
Earth
Doubts raised over UN drinking water claim
News
Earth
Resilient reactors: Nuclear built to last centuries
Features
Earth
How to dismantle a nuclear reactor
Features
Earth
Fear after Fukushima to push up carbon emissions
News
Earth
New forest law may doom South American jewel
Opinion
Earth
Boiled-to-death penguins are back from the brink
News
Climate change may stir geological mayhem
Culture
Earth
Earth Summit is doomed to fail, say leading ecologists
News
Earth
Wildlife corridors could be a waste of space
Opinion
Earth
Smart Guide to 2012: The Rio Earth Summit
News
Earth
Trees do bear some blame for acid rain
News