That carbon dioxide and other greenhouse gases trap heat is something scientists have known about for more than a 150 years. The underlying concept behind climate change is simple enough that school ...

Chemically, carbon dioxide is incredibly simple – it is just one carbon atom linked with two oxygen atoms. Together they create a colorless gas that makes up just a tiny fraction of the Earth's ...

“It is 10 years since the Paris Agreement was adopted, and despite progress on many fronts, fossil carbon dioxide emissions ...

Scientists say emissions could begin to decline in the next several years. What happens in China could determine when.

Climate scientists have made one thing clear: Staving off the worst impacts of global temperature rise requires widespread and immediate action to minimize greenhouse gas emissions. Even still, a new ...

The cause of global warming shows no sign of slowing down: Levels of the three most significant human-caused greenhouse gases – carbon dioxide (CO2), methane and nitrous oxide – continued their steady ...

When two people book the same flight, they can get wildly different carbon footprints from online calculators. Many carbon ...

California is considering adopting new rules to better identify and more quickly to respond to dangerous methane leaks and ...

Carbon capture advocates are objecting to an EPA proposal to scrap a greenhouse gas reporting requirement for dozens of ...

Get top local stories in San Diego delivered to you every morning. Sign up for NBC San Diego's News Headlines newsletter. Without the greenhouse effect, Earth would be freezing, scientists said. The ...