How much would $ 700 billion help climate change mitigation and adaptation ? The answer is that it will not be enough to meet the Paris Agreement goal of limiting global warming to 2 degrees Celsius above pre-industrial levels. U.S. economist says gains would be `` extraordinary '' compared to doing nothing .
How much would $ 700 billion help climate change mitigation and adaptation ? Greenpeace spokesman says $ 700 billion would `` give us a good head start '' U.S. economist says gains would be `` extraordinary '' compared to doing nothing .