Earth
Over a barrel? Falling oil prices and the environment
A halving of oil prices is hailed as good news for cash-strapped consumers. But there could also be unexpected gains for the environment
Opinion
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A halving of oil prices is hailed as good news for cash-strapped consumers. But there could also be unexpected gains for the environment
The 2004 tsunami killed 227,000 people in Indonesia. Fred Pearce visits Aceh to see the living coastal defences meant to soak up the energy of future waves