23 Sep 2014

UN climate change summit about to open

From Checkpoint, 6:53 pm on 23 September 2014

A UN climate change summit opens in a few hours in New York, the first time world leaders have met to talk about global warming since Copenhagen in 2009. 120 heads of state will be there in what UN Secretary General Ban ki Moon hopes will break the stalemate that's marked almost two decades of negotiations.