Climate change is altering important elements affecting fall foliage.
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.
Hydrofluorocarbon used in air conditioners could add 0.5°C to global temperatures by the end of the century.
Yellow cedars are dying in Alaska and researchers have turned the data showing their demise into music.
August marked 16 record-hot months in a row, virtually guaranteeing 2016 will be the hottest year on record.
Here's why we always talk about global temperature anomalies as opposed to actual global temperatures.
NOAA has dropped its La Niña watch, but that doesn't mean the climate phenomenon is done for the year.
The forests of dead trees are prevalent along the mid-Atlantic coast, where sea level rise is rapid.
The annual Arctic sea ice minimum extent has been below average every year since 2002.
Nerdy web comic xkcd has an amazing look at what "the climate has changed before" actually means.
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.
August was record hot for eight Northeastern states, amid the third warmest year for the contiguous U.S.
September 10 marks the statistical peak of the Atlantic hurricane season.
With key documents filed Saturday by China and U.S., the UN climate pact may take effect this year.
Carbon dioxide emissions from burning natural gas for electricity in the U.S. are set to surpass those from burning coal.
The signal of human-driven warming can be detected as far back as the 1830s, a new study finds.
July is the 15th record-hot month in a row, according to NOAA, keeping 2016 on its way to the hottest year on record.