Greek economic crisis has cleared the air
23 January 2013
The ongoing collapse of Greece's economy has caused a significant fall in air pollution, which can be detected by satellites
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Premium
Environmental crises may threaten pensions
23 January 2013
Growing environmental problems, from climate change to water shortages, could wipe out many pension funds within decades
Get cirrus in the fight against climate change
23 January 2013
Feathery cirrus clouds trap a lot of heat and help warm the planet. Getting rid of them could counteract human-caused climate change – in theory
Midnight sun: How to get 24-hour solar power
23 January 2013
Rust may be the scourge of electronics but it could help solar power run all night
Barack Obama promises US action on climate
22 January 2013
A bold strategy to combat global warming and the aim to lead the world in clean technology are at the centre of the US president's plans
Global mercury treaty will take decades to work
22 January 2013
140 countries have agreed a deal to cut mercury pollution, but it will be a long slow process getting the toxic metal out of the environment
