Super-Pollutants

A German Initiative Seeks to Curb Global Emissions of a Climate Super-Pollutant

The nitrous oxide emissions from hundreds of chemical plants globally, 300 times more warming than carbon dioxide, are the greenhouse equivalent of 45 million cars.

By Phil McKenna

Stimulus Bill Is Laden With Climate Provisions, Including a Phasedown of Chemical Super-Pollutants

By Phil McKenna

Chinese Factories Want to Make Climate-Friendly Air Conditioners. A US Company Is Blocking Them

By Phil McKenna and Feng Hao

As Special Envoy for Climate, John Kerry Will Be No Stranger to International Climate Negotiations

By Phil McKenna

Emissions of Nitrous Oxide, a Climate Super-Pollutant, Are Rising Fast on a Worst-Case Trajectory

By Phil McKenna

A Chinese Chemical Company Captures and Reuses 6,000 Tons of a Super-Polluting Greenhouse Gas

By Phil McKenna, Lili Pike

Climate Scientists Take Their Closest Look Yet at the Warming Impact of Aviation Emissions

By Leto Sapunar

In a Move That Could be Catastrophic for the Climate, Trump’s EPA Rolls Back Methane Regulations

By Phil McKenna

‘Super-Pollutant’ Emitted by 11 Chinese Chemical Plants Could Equal a Climate Catastrophe

By PHIL MCKENNA, LILI PIKE, KATRINA NORTHROP

Super-Polluting Methane Emissions Twice Federal Estimates in Permian Basin, Study Finds

By Phil McKenna

U.S. Appeals Court in D.C. Restores Limitations on Super-Polluting HFCs

By Phil McKenna

On Baffin Island in the Fragile Canadian Arctic, an Iron Ore Mine Spews Black Carbon

By Kristoffer Tigue

A Plant in Florida Emits Vast Quantities of a Greenhouse Gas Nearly 300 Times More Potent Than CO2

By Phil McKenna

Long Phased-Out Refrigeration and Insulation Chemicals Still Widely in Use and Warming the Climate

By Phil McKenna

New EPA Rule Change Saves Industry Money but Exacts a Climate Cost

By James Bruggers

Two New Studies Add Fuel to the Debate Over Methane

By Georgina Gustin

Worst Case Climate Scenario Might Be (Slightly) Less Dire Than Thought

By Bob Berwyn

Shipping Lines Turn to LNG-Powered Vessels, But They’re Worse for the Climate

By Phil McKenna

Is Natural Gas Really Helping the U.S. Cut Emissions?

By Nicholas Kusnetz