Obama's climate change legacy at stake as Clean Power Plan has its day in court

Seven hours of legal argument on states’ right to allow carbon pollution may determine the fate of the centerpiece of US efforts to limit climate changeThe future of the US’s centerpiece plan to tackle climate change hangs in the balance following nearly seven hours of legal argument over whether it tramples upon the right of states to allow carbon pollution.Power utilities and business groups have joined 27 states in challenging the Obama administration’s Clean Power Plan, whi