Environment

Carbon Emissions Are Already Falling in 30 Cities

As mayors gather for C40’s summit on climate change, the coalition reports that a third of its members have hit peak emissions.
An anti-exhaust emission traffic sign is pictured in Copenhagen, Denmark.Fabian Bimmer/Reuters

Since nations signed on to the Paris Agreement four years ago, committing to collectively lower carbon emissions to below 2 degrees Celsius, progress across the globe has been uneven and, sometimes, even discouraging.

But there is good news. Austin, Athens, Lisbon, and Venice have joined 26 other major cities in steadily reducing their greenhouse gas emissions, according to a new analysis published by a coalition of cities known as C40, ahead of its World Mayors Summit in Copenhagen. The latest news is an update to C40’s 2018 analysis, which identified a handful of cities across the global north that have hit their “peak” emissions before 2015, meaning they have since reduced their greenhouse gas emissions by at least 10 percent.