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