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Study Suggests Earlier Onset of Human-Driven Warming

The signal of human-driven warming can be detected as far back as the 1830s, a new study finds.

This Is What the Ice-Free Northwest Passage Looks Like

Climate change has helped open the Northwest Passage again this year.

In Streak of Extreme Storms, What’s the Role of Warming?

The massive rains and flooding in Louisiana are the latest in a string of extreme U.S. storms this year.

With Warming, Western Fires May Sicken More People

Tens of millions more Western residents are expected to suffer from sickening "smoke waves" as temperatures rise.

July Makes 15 Record Hot Months in a Row

July is the 15th record-hot month in a row, according to NOAA, keeping 2016 on its way to the hottest year on record.

Stagnant Air on the Rise, Upping Ozone Risk

Hot weather can trigger high levels of air pollution that can have health consequences for millions of Americans.

Scorching July is World’s Hottest Month on Record

July was yet another record hot month for the Earth, all but guaranteeing 2016 will be the hottest year on record.

Aerosols May Be Masking Trend in Stronger Hurricanes

The increase in hurricane intensity expected as Earth warms may have been masked by the cooling effect of aerosols to date.

How a Volcano Hid the Acceleration of Sea Level Rise

The 1991 eruption of Mount Pinatubo in the Philippines affected global temperatures and sea levels.

2016 Third Warmest for U.S. Through July

The U.S. is having its third-warmest year through July, in part thanks to a major heat wave across much of the country.

Michigan Scientists See Urgency for Negative Emissions

Scientists say it is increasingly urgent to develop negative emissions technology to meet climate goals.

Cities Rush to Measure Climate Footprint After Paris Deal

The number of cities reporting on their efforts to tackle global warming has skyrocketed.

Scientists Tease Out Climate Change’s Role in Zika Spread

As Zika spreads northward, scientists are beginning to understand how humans stoked the epidemic.

Climate and Climate Change at the Rio Olympics

We look at the general climate of Brazil and some of the potential climate change impacts there ahead of the Rio Olympics.

Artificial Leaf Turns CO2 Emissions Into Fuel

Scientists are developing an artificial leaf that can turn carbon dioxide emissions into fuel.

2015 Set Frenzy of Climate Records

Numerous climate records were broken in 2015, including hottest year and lowest Arctic sea ice winter peak.

China’s Coal Peak Hailed as Turning Point

Economists say an achievement by the world’s biggest polluter may be a significant milestone, rather than a blip.

Searing Kuwait Temp Could Rank Among World’s Hottest

The temperature of 129.2°F recorded in Kuwait is an example of those that are likely to become more common.

Climate Change’s Fingerprints All Over California Wildfires

This year's wildfire season in California shows signs of influence from climate change.

Scientists Urge Obama to End Federal Coal Leasing

Scientists are calling for the Obama administration to ban coal development on federal public lands.

Gallery

2012: Warmest March Ever Recorded You knew it was warm last month, but today it's official: it wasn't just warm; it was the warmest March ever recorded.

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