Northwest Passage ice-free

This Is What the Ice-Free Northwest Passage Looks Like

An ice-free Northwest Passage was once the stuff of legend. But it’s now becoming the norm thanks to global warming, and commercial freighters to luxury cruise ships are racing to turn a profit off the newest frontier on earth. A satellite image taken on Aug. 9 and published by NASA Earth Observatory shows a nearly ice-free path from the North

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The Shum Show: A Bolt of Heat

July blew through the finish line as the hottest month on record, and Louisiana suffered through devastating and deadly floods. Stay up to date on all your climate and weather news on the Shum Show, with Multimedia Journalism Fellow, Greta Shum. To help with relief efforts in Louisiana, make a donation to the American Red Cross.

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Rainfall totals in Louisiana

Intense Louisiana Rains Another Example of What’s in Store With Warming

The historic rains and flooding that swamped Louisiana over the weekend are continuing to threaten the state – and there’s more rain on the way. The torrential rain was the result of several factors, including warm Gulf waters and a stalled front, and is the type of extreme rainfall that is expected to occur more often as the world warms. While

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global temperatures

Yup, It’s Another Record-Hot Month for Earth

The reign of record hot months in 2016 continues, with last month claiming the title of hottest July on record globally, according to data released by NASA on Monday. The streak means that 2016 is still well on its way to upsetting last year as the hottest year on record. Or as Gavin Schmidt, director of NASA’s Goddard Institute of Space Studies

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Lousiana Rainfall August 2016

Southeast Faced Dangerous Flooding This Weekend

After an already wet week, the Gulf Coast faces potentially historic flooding Friday and Saturday. Some areas in Louisiana have already seen an estimated 20 inches of rain and more could fall through Saturday. Tropical storms and hurricanes are headline grabbers, but this storm is creating equally dangerous conditions even if it doesn’t have a

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Climate Indicators

Learn more about the 10 key indicators of a warming climate

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Arctic Sea Ice

Ice has both ecological and economic benefits and its extent could influence weather around the world.

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El Niño

El Niño is a warming of waters in the equatorial Pacific that influences global weather patterns.

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Ocean Acidification

Acidifying oceans can hurt coral reefs and shellfish as well as the people that rely on them for their livelihoods.

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Carbon Dioxide

CO2 is a potent greenhouse gas and plays a vital role in regulating Earth's surface temperature through radiative forcing and the greenhouse effect

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Extreme Heat

Increasing frequency and magnitude of extreme heat can affect health, power usage and more.

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Snow Cover

A shorter snow season increases the amount of sunlight absorbed by the Earth’s surface and can further warm the planet.

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Sea Level Rise

Sea level rise could force millions to leave coastal areas and cost the world trillions of dollars.

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Land Ice

Melting land ice contributes to sea level rise.

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U.S. Wildfires

Wildfires damage forests and release CO2.

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Global Temperature

The global temperature is the clearest measure of how human greenhouse gas emissions are affecting our planet.

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