EarthUse waste rather than crops for biofuels, says UK report Liquid biofuels can help reduce carbon emissions, but the focus should be on making them from wastes such as cooking oil, says major review 51¶¯Âþ
SpaceArthur C. Clarke award makes science fiction a family affair The judges’ favourites reveal a growing appetite for science fiction which is also economic and political, says Lydia Nicholas Culture