The signal of human-driven warming can be detected as far back as the 1830s, a new study finds.
Climate change has helped open the Northwest Passage again this year.
The massive rains and flooding in Louisiana are the latest in a string of extreme U.S. storms this year.
Tens of millions more Western residents are expected to suffer from sickening "smoke waves" as temperatures rise.
July is the 15th record-hot month in a row, according to NOAA, keeping 2016 on its way to the hottest year on record.
Hot weather can trigger high levels of air pollution that can have health consequences for millions of Americans.
July was yet another record hot month for the Earth, all but guaranteeing 2016 will be the hottest year on record.
The increase in hurricane intensity expected as Earth warms may have been masked by the cooling effect of aerosols to date.
The 1991 eruption of Mount Pinatubo in the Philippines affected global temperatures and sea levels.
The U.S. is having its third-warmest year through July, in part thanks to a major heat wave across much of the country.
Scientists say it is increasingly urgent to develop negative emissions technology to meet climate goals.
The number of cities reporting on their efforts to tackle global warming has skyrocketed.
As Zika spreads northward, scientists are beginning to understand how humans stoked the epidemic.
We look at the general climate of Brazil and some of the potential climate change impacts there ahead of the Rio Olympics.
Scientists are developing an artificial leaf that can turn carbon dioxide emissions into fuel.
Numerous climate records were broken in 2015, including hottest year and lowest Arctic sea ice winter peak.
Economists say an achievement by the world’s biggest polluter may be a significant milestone, rather than a blip.
The temperature of 129.2°F recorded in Kuwait is an example of those that are likely to become more common.
This year's wildfire season in California shows signs of influence from climate change.
Scientists are calling for the Obama administration to ban coal development on federal public lands.