Super-Pollutants

Is China Emitting a Climate Super Pollutant in Violation of an International Environmental Agreement?

Concentrations of HFC-23, one of the world’s most potent greenhouse gases, remained elevated in East Asia after China, a known past polluter, agreed to curb emissions.

By Phil McKenna and Peter Aldhous

Can US, China Climate Talks Spur Progress at COP28?

By Bob Berwyn, Phil McKenna and Nicholas Kusnetz

Who Were the Worst of the Worst Climate Polluters in 2022?

By Phil McKenna

An Alabama Coal Plant Once Again Nabs the Dubious Title of the Nation’s Worst Greenhouse Gas Polluter

By Lee Hedgepeth

Texas Continues to Issue Thousands of Flaring Permits

By Martha Pskowski

Watchdog Finds a US Chemical Plant Isn’t Reporting Emissions of Climate Super-Pollutants and Ozone-Depleting Substances to Federal Regulators

By Phil McKenna

Biden Announces Huge Hydrogen Investment. How Much Will It Help The Climate?

By Nicholas Kusnetz, Jon Hurdle

Crucial for a Clean Energy Economy, the Aluminum Industry’s Carbon Footprint Is Enormous

By Phil McKenna

A Drop in Emissions, and a Jobs Bonanza? Critics Question Benefits of a Proposed Hydrogen Hub for the Appalachian Region

By Jon Hurdle

A Texas Dairy Ranks Among the State’s Biggest Methane Emitters. But Don’t Ask the EPA or the State About It.

By Phil McKenna, Georgina Gustin, Peter Aldhous

California’s Top Methane Emitter is a Vast Cattle Feedlot. For Now, Federal and State Greenhouse Gas Regulators Are Giving It a Pass.

By Phil McKenna, Georgina Gustin, Peter Aldhous

Foes of Biden’s Climate Plan Sought a ‘New Solyndra,’ but They Have yet to Dig Up Scandal

By Marianne Lavelle

NOAA Adjusts Hurricane Season Prediction to ‘Above-Normal’

By Amy Green

Texas Pipeline Operators Released or Flared Tons of Gas to Avert Explosions During Heatwave

By Dylan Baddour

Methane Activists in Richmond Detect Potentially Dangerous Gas Leaks

By Ananya Chetia

A US Non-Profit Aims to Reduce Emissions of a Super Climate Pollutant From Chemical Plants in China

By Phil McKenna

Methane Mitigation in Texas Could Create Thousands of Jobs in the Oil and Gas Sector

By Martha Pskowski

Eleven Chemical Plants in China and One in the U.S. Emit a Climate Super-Pollutant Called Nitrous Oxide That’s 273 Times More Potent Than Carbon Dioxide

By Phil McKenna

New York Could Change How It Measures Methane. Here’s Why That’s a Big Deal

By Kristoffer Tigue