The overwhelming evidence of human - caused climate change documents both current impacts with significant costs and extraordinary future risks to society and natural systems. (aaas.org)
Scientists have outlined current impacts and future implications of climate change, as well as the ambition required to minimize the risk of the worst disruptions to communities around the world. (wri.org)
And it's a good deal of work for people who have other things to do with more current impact. (slaw.ca)