There’s been a dramatic groundswell of “bottom-up” climate leadership from U.S. states, cities and businesses in the face of a federal retreat on climate action. From state legislation mandating cleaner electricity sources to city policies encouraging all-electric buildings, these local ...

U.S. states, cities and businesses are an essential part of the response to the global climate crisis – and their role is ever more crucial as the Trump administration moves to pull the United States from the historic Paris Agreement. ...

People and goods are on the move faster and farther than ever. All that movement comes at a cost – not just the sticker price of a new car, train ticket or shipping bill, but also an environmental cost. Transport, ...

The latest research is clear: To avoid the worst climate impacts, global greenhouse gas (GHG) emissions will not only need to drop by half in the next 10 years, they will then have to reach net-zero around mid-century. Recognizing this ...

The largest and highest-consuming cities in the world have carbon footprints equal to those of small countries. This is the finding of a study surveying the carbon footprint of cities worldwide. Half the world’s population lives in cities, but just 100 cities ...

Around the world, grassroots movements like Extinction Rebellion and Fridays for Future are sounding the alarm about the climate crisis, and government representatives are responding to the call: national parliaments and cities have declared climate emergencies, the Green New Deal is gathering support in ...