Agence France-Presse: For the second time in a week, Greenpeace activists demonstrated at an Italian power plant Sunday in favour of renewable energy, amid government doubts about signing onto an EU climate change plan. “Sardinia must scrap all obstacles to wind energy,” said the environmental NGO, which entered the power plant on the Italian island to protest the use of coal power over wind energy. It also accused leftist regional president Renato Soru of imposing power limits on wind …