Happy Birthday National Parks

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Happy Birthday National Parks

  • Published: Aug 28th, 2019

As we celebrate the 103rd birthday of the National Park Service, we examine the effect of climate change on our parks and update our earlier analysis of national park temperature trends.

Daily Template: CO2 in the Context of Human History

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Daily Template: CO2 in the Context of Human History

  • Published: Jul 2nd, 2019

This image puts today’s CO2 levels in historical context. Spoiler alert: we’re off the charts.

Daily Template: The Rise of CO2

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Daily Template: The Rise of CO2

  • Published: Jul 2nd, 2019

CO2 has seasonal fluctuations but its stark, long-term rise is unmistakable.

Optimal Temperature Ranges for Trout, Bass, and Salmon

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Optimal Temperature Ranges for Trout, Bass, and Salmon

  • Published: Jun 26th, 2019

Fish need a certain temperature range to thrive, and can struggle or even die if waters get too warm.

Warming Waters in the Great Lakes

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Warming Waters in the Great Lakes

  • Published: Jun 26th, 2019

All five of the Great Lakes have warmed in the last few decades — check the trend for each here.

Coastal Waters are Warming Across the U.S.

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Coastal Waters are Warming Across the U.S.

  • Published: Jun 26th, 2019

Coastal waters are warming across the U.S., stressing fish and the economies that depend on them.

River and Stream Temperature Trends Around the U.S.

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River and Stream Temperature Trends Around the U.S.

  • Published: Jun 26th, 2019

Warming streams can bring disease and heat stress to fish. Here’s how America’s streams with long-term data are trending.

Top U.S. Freshwater Use by Industry

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Top U.S. Freshwater Use by Industry

  • Published: Mar 20th, 2019

Public supply makes up a small fraction of our country’s freshwater needs. Take a look at which sectors are thirstiest.