Will Dean's Ideas Factory: The electric taxi of the future… from

It might take a brave passenger to ask a cabbie their thoughts on driverless taxi cars. Can a robot ever compete with a black-cab driver's knowledge of The Knowledge? Perhaps. But the idea of futuristic taxis is something that precedes not just the 21st century, but the 20th too, as a new exhibition at London's Science Museum called Climate Changing Stories explains.

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Global warming causes Himalaya ice loss to double

The glaciers of the Himalayas, suppliers of fresh water to more than a billion people, are undoubtedly retreating because of global warming, the head of the UN's climate change body reaffirmed yesterday – two years after he was embroiled in an international political row about similar forecasts.