Activists stand by a mock-up dinosaur set-up by Greenpeace in front of the Brandenburg Gate to mark the shutdown (AP) — © Markus Schreiber Germany has begun winding down its three remaining nuclear power plants as part of a long-planned transition toward renewable energy, drawing cheers from environmentalists who campaigned for the move. The shutdown of the Emsland, Neckarwestheim II and Isar II reactors, which was agreed upon more than a decade ago, is being closely watched abroad. Other industrialised countries, such as the UK, US, Japan, China and France, are counting on nuclear energy to replace planet-warming fossil fuels....