Last month, the cities of Barcelona, San Diego, Boston, and Nottingham all officially declared climate emergencies. They kick off a year that is likely to explode with similar civic pronouncements as cities grapple with responding to and mitigating the consequences of a warming world.

“We can no longer afford to say we need to act on climate for our kids and our grandkids. The effects are happening now,”

Globally, 1,330 governments have passed a binding motion declaring a climate emergency, according to Cedamia. The populations of those areas total more than 814 million, meaning nearly one in ten people live in a community that has made the statement. Read more ...