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This Is What the Ice-Free Northwest Passage Looks Like

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

Most Cities Too Hot to Host Summer Olympics by 2085

Due to rising temperatures, Northern Hemisphere cities could be too hot to host the Olympic Games.

After Scorching Heat, Earth Likely to Get Respite in 2017

In a welcome break, a new annual heat record is unlikely in 2017 since the effect of El Niño is fading.

Alaskan Village Votes to Relocate Due to Climate Change

The Alaskan village of Shishmaref is losing up to 10 feet of shoreline each year, so it's relocating.

Biomass Power Slumps as EPA, Industry Spar on Science

Wood energy can help industries manage waste, but it's not as climate friendly as Congress claims.

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.

As Earth Swelters, Global Warming Target in Danger

The Earth is so hot this year that a limit for global warming agreed by world leaders is in danger of being breached.

Michigan Scientists See Urgency for Negative Emissions

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

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.

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.

EPA Finding Clears Way for Limit on Aircraft Emissions

The EPA has declared jet engine exhaust a contributor to climate change that endangers public health.

Diving Enthusiasts Could Measure Ocean Temperatures

Decompression computers worn by recreational and commercial divers provides accurate data, study shows.

North American Forests Not a Climate Change Remedy

With high temperatures, tree growth is inhibited and carbon dioxide absorption rate diminishes.

Local Efforts to Save Coral Reefs May Be Futile

Scientists are split over whether local safeguards can save some of the world’s most spectacular coral reefs.

The Hottest Cities in U.S. vs. the Fastest Warming

Scorching summer temperatures are exactly what we should expect in a warming world.

Global Climate Spending Focusing on Forest Protection

A study finds that the U.S. and four other developed countries are spending billions to keep forests intact.

Tanzania’s Maasai Facing Impacts of Climate Change

Africa is predicted to endure 50 percent more warming from climate change than the rest of the world.

Court Decision on Climate Plan Jolts Carbon Prices

The Supreme Court's stay of the Clean Power Plan made carbon prices in the Northeast tumble.

Here’s What Your July 4 Road Trip Means for the Climate

Carbon emissions from transportation are becoming America's largest source of climate pollution.

Gallery

Strong El Niño Brings Warmer Global Temperatures Global average temperatures are generally higher in El Niño years vs. La Niña years.

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