The planet has passed the 400 ppm carbon dioxide threshold. This spiral brings home what that means.
Reservoirs are responsible for 1.3 percent of global man-made greenhouse gas emissions, a study says.
The legal challenge to the Clean Power Plan was argued in federal appeals court on Tuesday.
Carbon dioxide just hit its annual minimum at Mauna Loa Observatory and failed to dip below 400 ppm.
Legal challenges to the Clean Power Plan will be argued in a federal appeals court Tuesday.
New findings indicate the planet could be in for nearly double the global warming as previously thought.
If America wants to keep its promises to the world, it will need to clamp down more on pollution.
Hydrofluorocarbon used in air conditioners could add 0.5°C to global temperatures by the end of the century.
It's all about Greenland's ice melt and August's record heat this week on The Shum Show.
August marked 16 record-hot months in a row, virtually guaranteeing 2016 will be the hottest year on record.
The forests of dead trees are prevalent along the mid-Atlantic coast, where sea level rise is rapid.
Watch 2016’s Arctic sea ice melt away in seconds.
Climate change has delayed the date of the annual Arctic sea ice minimum.
Nerdy web comic xkcd has an amazing look at what "the climate has changed before" actually means.
Some scientists are increasingly looking at global warming as a waste disposal problem.
August continued the remarkable streak of record hot months in 2016, and tied July as the hottest month on record.
A new report warns that global warming is changing the behavior of marine species and spreading disease.
The federal government on Friday unveiled its vision for wind farms off of nearly every U.S. coastline.
Unprecedented rainfall in parts of Louisiana last month was made more likely by global warming.
With key documents filed Saturday by China and U.S., the UN climate pact may take effect this year.