Guardian: Climate change needs the same kind of mass support that fired the Make Poverty History campaign, the energy secretary Ed Miliband said yesterday. He is right to try to provoke a sense of obligation in this generation to future generations, but although we can all play our part in reducing demand, only government can deliver the incentives and the structure for clean energy supplies. Coal, globally available and flexible, will be a key energy source for the foreseeable future. Mr …