A new study found that the drying Great Salt Lake in Utah is now a major source of the gas emissions that are causing the climate to warm.

The Department of Justice released details of a settlement with engine manufacturer Cummins Inc. that includes the mandatory recall. Cummins' total penalty for the violations tops $2 billion.

Climate-warming greenhouse gasses in the U.S. declined 1.9% last year, but that's only a third of what's needed to meet Paris climate change goals.

A vehicle emissions inspector from Gwinnett County has pleaded guilty to performing thousands of fraudulent emissions tests.

A new report released this week offers a rare bit of positive climate news: Overall greenhouse emissions in Georgia declined 5% from 2017 to 2021, due largely to the state’s largest electric utility moving away from coal.

Cutting greenhouse gas emissions rapidly and immediately will save lives, livelihoods and ecosystems around the world, scientists say. And there are lots of ways to go about it.

New Zealand's government on Tuesday proposed taxing the greenhouse gasses that farm animals make from burping and peeing as part of a plan to tackle climate change. Farmers quickly condemned the plan.

The U.S. plans to reduce greenhouse gas emissions dramatically in the next decade. Scientists say it's crucial that the U.S. succeed. Still, many of the positive effects won't arrive for decades.

In rich countries, every sector of the economy reduced its contribution to climate change last year — with one big gas-guzzling exception.