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?
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?
The world's two largest emitters of greenhouse gases, China and the US, are showing positive signs of greening.
How do you choose between a wilderness and a power station? The tough choices associated with large-scale renewable energy projects are dividing the green movement.
Selling permits to emit carbon dioxide is fine in theory, but there's a fatal flaw that means it can never avert climate catastrophe.
The future of Antarctica's ice is written in stone from 19 million years ago. Douglas Fox meets the geologists drilling into history.
Disputes have broken out among ecologists over a study that suggests climate change might not increase the range of tropical diseases after all.
A new front has opened up in the anti-smoking lobby's war on tobacco
Forget greenhouse warming, just our everyday activities could eventually heat Earth by an extra, devastating, 2 to 3
The Red List is not perfect, but it is the best conservation tool we've got, say senior staff members at the International Union for Conservation of Nature.
Without forests to pump moisture around the planet, would the continents turn to desert? A new theory suggests they might.
The only way to connect the major wildernesses of the world and save their inhabitants is to think big. Very big.