Recent Perception of 2018-19 Winter Temps

From -50°F wind chills in the Midwest to exceptional snow in the Southwest, it’s been a winter of extremes. But in historical context, this winter was not exceptionally cold; nationally, December and January temperatures were warmer than the 20th century average. So why did people notice the cold so much? A recent study may have the answer, showing

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Current & Future Climate Hazards in Your City

In the past six months, Florida has faced record high temperatures, abnormally toxic algal blooms, and the house-flattening winds of Hurricane Michael. California suffered its worst-ever wildfires, preceded by drought and followed by mudslides. Scientists may study climate change impacts separately, but their potential to strike together is clear.

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2018 Global Temp Review: Land & Ocean

At long last, the government is open and the year-end climate reports from NOAA and NASA are out. As expected, 2018 was the fourth-hottest year on record globally, and another near-record year for U.S. weather and climate disasters. All of the years on record that were hotter or more disaster-filled came in the past decade. To bring context to the

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Future Days Below Freezing

A mid-winter cold snap has hit much of the country, but these episodes are becoming less frequent with climate change. Low temperatures and ample snowfall are a must for winter recreation — an industry that contributed more than $20 billion to the national economy in the 2015-2016 season. These conditions are under threat from warming winters,

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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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