Because countries' commitments and cities, local governments and businesses can only do so much to keep climate impacts from reaching the most dangerous levels, we need to strengthen the mutually reinforcing relationship between national and subnational climate action. Bogota, Colombia, shows how this relationship can work.
The IPCC's study on limiting warming to 1.5° Celsius makes clear that there are no magic numbers—every tenth of a degree matters when it comes to conserving a livable climate.
Climate change was on ballots across America this week. The results were mixed but leave room for increased climate action in the next two years and beyond. What are the major climate stories to watch in the coming year?