Pope Benedict XVI is presented with an electric car, the latest in a list of environmentally friendly initiatives backed by the Vatican.

Humans may be destabilising desert ecosystems across the world, say scientists.

Chancellor George Osborne's tax allowance to support investment in older North Sea fields could attract a further £2bn of investment, it is claimed.

A UK scientist questions China's plans to send eight satellites into space to monitor the ocean.

BBC science editor David Shukman reports from Svalbard in Norway, where researchers say they are amazed by the speed at which Arctic sea ice is melting.

Kenya's government is to inaugurate a project that will encircle much of the country's highest peak with an electric fence to stop wild animals straying.

The behaviour of an ancient horseshoe crab in its final moments before death has been captured in the fossil record.

Pioneering experiments lift the lid ever so slightly on Heisenberg's famous uncertainty principle - a founding idea of quantum mechanics.