Bloomberg: Envoys at United Nations global warming talks are considering whether to adopt a target for carbon emissions around 2050 as they struggle to work toward a deal to limit climate change that they aim to adopt in 2015.
The delegates from about 190 nations meeting this week in Bonn are discussing whether they could boost ambition by adopting a worldwide goal for the middle of this century backed by interim measures proposed by national governments, said Alden Meyer, policy director at the Union of...