We could be about to enter a decade or two of cooler temperatures, says one of the world's top climate modellers. "People will say this is global warming disappearing," Mojib Latif told more than 1500 climate scientists gathered at the UN's World Climate Conference in Geneva, Switzerland, last week. "I am not one of the sceptics.

Diverting water from the Tigris and Euphrates rivers to supply agriculture, alongside a warming climate, means the once-bountiful region is becoming desert.

From the G8 to shipping, the world's climate players are starting to bring their contributions to the table

Methane trapped in sub-marine ice and permafrost could possibly fuel the world for hundreds of years

Contaminated lands, blighted by fallout from the Chernobyl nuclear disaster, could be cleaned up in a clever way: by growing biofuels. Belarus, the country affected by much of the fallout, is planning to use the crops to suck up the radioactive strontium and caesium and make the soil fit to grow food again within decades rather than hundreds of years.

We have been depleting fish stocks not just for decades but for many centuries, according to a new historical survey.

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.

Without forests to pump moisture around the planet, would the continents turn to desert? A new theory suggests they might.

The Arctic is warming up much more quickly than expected