Reuters: Royal Dutch Shell (RDSa.L: Quote, Profile, Research) was disappointed to pull out of a big UK windfarm project after rising costs, and its Canadian oil sands projects were “not a good thing” for the climate, the chairman of Shell UK said. James Smith, speaking at a climate change workshop hosted by Thomson Reuters on Wednesday, said Shell had decided to sell its share of the London Array windfarm project after capital costs increased significantly in the past …