ENCORE: Cities Leading the Way

June 5, 2026

While the federal government has all but abandoned trying to address the climate crisis, cities around the world are stepping up. C40 is an...

Beyond the Obvious: What We’re Watching in 2026

January 23, 2026

We’re only about a month into the new year, and already so much has happened – from the Trump administration’s forcible removal of Venezuela’s...

Cause of Death: Air Pollution

August 15, 2025

Pollutants from burning fossil fuels — from smokestacks, tailpipes, gas flares and more – are warming our world and poisoning our air.   “99% of the...

He Started Tesla Employees Against Elon. Then Got Fired.

July 1, 2025

Matt LaBrot was the Tesla sales manager who got so fed up with how Elon Musk’s public persona affected the brand that he published a website called...

I’m Walkin’ Here! A Report Card on Congestion Pricing

May 30, 2025

For years, traffic in downtown Manhattan was a gridlock nightmare. But since January, drivers who come into the city’s busiest area during peak hours...

Busted: The Newest Emission Cheaters

February 9, 2024

A settlement for the largest civil penalty resulting from the Clean Air Act has just been reached. The EPA, DOJ and the State of California have...

The Road to Zero Emission Trucking

August 25, 2023

As the build out of infrastructure for electric passenger vehicles gets underway, another segment of transportation is just starting down the road to...

Just a Walk or Bike Ride Away: The 15-Minute City

August 11, 2023

Can you imagine if everything you needed in your everyday life was just a walk or bike ride away? That’s the goal of the 15-minute City, a new name...

Rebuilding for Climate: Successful City Strategies

June 24, 2022

83% of people in the United States live in urban areas. And these days that’s where important climate progress is happening. Cities all over the...