Forum: Unleashed torrents of a watery hell - Fred Pearce thinks it is time to ban the new dam bustersForum
How Britain hides its acid soil: Environmentalists are accusing Britain of fixing the figures as European countries start fresh talks that aim to make the land, lakes and rivers safe from acid rainFeatures
What turns an oil spill into a disaster?: With tens of thousands of tonnes of crude oil still washing round the coast of Shetland, is an ecological disaster inevitable?News
Mirage of the shifting sands: The UN is planning another counterattack against advancing deserts. But will it work? And is more land really becoming arid?Features
Back to the days of deadly smogs: Forty years ago this week, four thousand Londoners died in the worst air-pollution disaster on record. London has cleaned up its act, but smog is killing again in other citiesFeatures