Guardian: Given the crises facing the planet, with the population set to reach the 9 billion mark by 2050 and increasing strains being placed on water, energy and food supplies, it would be wrong to hope there could be a single solution to the storms that lie ahead. As the government’s chief scientific adviser, Sir John Beddington, once put it in an Observer interview: “There will be no silver bullet.”
However, the population biologist added a crucial caveat. It would also be foolish not to make the maximum…