Choking China: The struggle to clear Beijing's air
As pollution levels return to normal in China's capital after a record-breaking month of smog, what can be done to banish the smog?
New Scientist
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What the UN ban on geoengineering really means
The agreement at the UN Convention on Biodiversity appeared to outlaw geoengineering
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City vs country: The concrete jungle is greener
They may not have so many trees to hug, but city slickers lead more environmentally friendly lives than their country cousins.
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Bisphenol A is everywhere is it safe?
Mounting evidence against a chemical we are exposed to daily is being ignored. What more do regulators need, ask David Melzer and Tamara Galloway.
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Past climate change influenced human evolution
As the world warms, will humans evolve to cope with arid conditions? Maybe, if the Yoruba people of west Africa are anything to go by.
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Climate change battle moves to courtrooms
The little guys are suing energy giants for the effects of climate change
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Jeffrey Sachs: Poverty is multidimensional
Poverty, disease, women's rights
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Bjrn Lomborg: Use technology to fight climate change
Has the self-styled "sceptical environmentalist" changed his mind about global warming? After all, he says we need $100 billion a year to counteract it.
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Transgenic fish swimming towards a plate near you
If the US approves genetically modified fish for human consumption, the implications will be global.
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Time to blame climate change for extreme weather?
The tide is turning on the old idea that single extreme weather events cannot be blamed on climate change.
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Who's afraid of radiation?
Our attitude to ionising radiation is irrational, and easing safety limits would do far more good than harm, says Wade Allison.