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Where climate and weather interact

Rising CO2 Increases the Size of Poison Ivy Plants

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Rising CO2 Increases the Size of Poison Ivy Plants

Better grab your calamine lotion. More CO2 means bigger poison ivy plants.

Tropical Trends - Hurricane’s and Climate Change

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Tropical Trends - Hurricane’s and Climate Change

The Power Dissipation Index for hurricanes has been on the rise since 1970, along with sea surface temperatures.

Summer Temperature Trends

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Summer Temperature Trends

For most of the nation, summer weather has been changing in ways climate scientists say are consistent with what they’d expect in a warming world.

Summer Precipitation Trends

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Summer Precipitation Trends

When it comes to summertime precip., the wet are getting wetter and the dry are getting drier.

A Seasonal & Regional Tornado Breakdown

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A Seasonal & Regional Tornado Breakdown

The probability of a tornado touchdown somewhere in the U.S. jumps to nearly 80 percent in May and nearly 90 percent in June.

Extreme Precipitation Events are on the Rise

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Extreme Precipitation Events are on the Rise

Heavy downpours have increased in every region of the contiguous states since 1950.

Forecast Temperature Changes by 2100

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Forecast Temperature Changes by 2100

A look at how U.S. temperatures are projected to change, according to the Third National Climate Assessment released May 6, 2014.

Rising Global Temperatures and CO2

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Rising Global Temperatures and CO2

The amount of carbon dioxide in the atmosphere has a strong correlation with rising temperatures.