Greenpeace: Ninety Greenpeace activists have been arrested following an action this morning in which they chained themselves to building machinery and cranes to stop the construction of a coal fired power at Maasvlakte, Rotterdam. The action began at 7am with police beginning the arrests at midday. Coal is the worst polluting of all fossil fuels, and the single greatest threat facing the climate. Coal-fired power stations undermine European targets to cut emissions by 30% by 2020. Energy company …