Business Green: A coalition of some of the world’s largest companies has thrown its weight behind president-elect Barack Obama’s plans for an emissions cap-and-trade scheme, with the publication of a blueprint detailing how the US can cut emissions by 80 per cent by 2050. The US Climate Action Partnership — which features more than 30 of the world’s largest businesses and NGOs including BP, Dow Chemical, Ford, GE, General Motors, PepsiCo and Shell — today unveiled A Blueprint for Legislative …