Tropical Trends - Hurricanes and Climate Change

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Tropical Trends - Hurricanes and Climate Change

  • Published: May 29th, 2014

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

A Seasonal & Regional Tornado Breakdown

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A Seasonal & Regional Tornado Breakdown

  • Published: May 14th, 2014

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

CO2 Hits Climate Milestone

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CO2 Hits Climate Milestone

  • Published: May 1st, 2014

April 2014 was the first month in human history with average CO2 levels above 400 ppm.

Temps Marching Upward Since First Earth Day

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Temps Marching Upward Since First Earth Day

  • Published: Apr 22nd, 2014

The contiguous U.S. has warmed 2.1°F since the first Earth Day in 1970.

Cherry Blossoms: Earlier Bloom

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Cherry Blossoms: Earlier Bloom

  • Published: Apr 14th, 2014

Cherry blossoms now appear five days earlier, on average, than they did 80 years ago.

Spring Snow Cover

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Spring Snow Cover

  • Published: Apr 2nd, 2014

While this has been a snowy winter, the past 50 years have shown a trend of less overall spring snow cover in the Northern Hemisphere.

Winter Olympics in a Warming World

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Winter Olympics in a Warming World

  • Published: Feb 19th, 2014

If global warming continues unabated, only 6 of the 19 previous host cities could host the Winter Games again by the 2080s.

2013 Record Highs vs. Record Lows

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2013 Record Highs vs. Record Lows

  • Published: Dec 13th, 2013

For the first time in 20 years, the U.S. is on track to set more record lows than record highs in 2013.