2018’s Billion-Dollar Disasters Show Weather & Climate Impacts Across the U.S.

Hurricanes hit the U.S. especially hard, leading 2018’s near-record list of 14 billion-dollar weather and climate disasters. Hurricanes Michael and Florence combined for at least $49 billion in damages — over half of the total from the year’s included events (cost estimates will be updated over time). In addition, the Western wildfire season was

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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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Less Extreme Cold

With a polar outbreak plunging down through the Great Lakes, some cities may be dropping to their coldest temperatures in decades. But how do this week’s extremes compare to the long-term trend? As our greenhouse gas emissions continue to drive climate change, cold extremes are trending warmer across the country. In the last half-century, 96

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Winter Warming Trends Across the U.S.

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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Fastest Warming Seasons

Climate change is causing temperatures to rise throughout the year, but some seasons are warming faster than others. As we approach the start of meteorological winter on December 1st, we see that winter is warming the fastest in most of the country. Since 1970, winter has warmed at least 1°F in all states analyzed, and at least 3°F in two thirds of

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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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