Guardian: The hidden cost of Britain’s new generation of nuclear power could be the destruction of the Kalahari desert in Namibia and millions of tonnes of extra greenhouse gas emissions a year, the Observer has discovered.= The desert, with its towering sand dunes and spectacular lunar-like landscapes, is at the centre of an international uranium rush led by Rössing Uranium, a subsidiary of the British mining giant Rio Tinto, and the French state-owned company, Areva, which part-manages the …