Tilting at windmills guardian.co.uk Malawian teenager William Kamkwamba built a generator out of a bicycle and tractor fan. Now he's lauded by environmentalists Reaching for the skies: ... See all stories on this topic Australian uranium firm condemns Malawi NGOs Trading Room Australia firm Paladin has dismissed allegations of contamination from a northern Malawi uranium mine, telling MPs that two rights groups have been paid ... See all stories on this topic