UN climate chief Simon Stiell warned G20 nations on Wednesday that their economies were facing decimation and that they must overcome geopolitical differences to tackle global warming. Stiell said the climate crisis was slipping off the crowded global agenda at a time when consensus was needed on how to help developing countries pay for clean energy and respond to extreme weather.

The Group of 20 developed and developing economies, including the United States, China and India, faced many geopolitical challenges, but that "cannot be an excuse for timidity in the midst of this worsening crisis," Stiell said in a speech in London.

“I’ll be honest: shifting blame is not – is not – a strategy. Climate pushback is not the solution to a crisis that is decimating every G20 economy and has already begun to hurt,” said the UN executive secretary. Framework Convention on Climate Change. (More on phys.org)