2013 Tornado Drought

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2013 Tornado Drought

  • Published: May 1st, 2013

The nationwide January through April tornado count is way down, 54 percent to be exact.

Keeling Curve

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Keeling Curve

  • Published: May 1st, 2013

Charles David Keeling's measurements provided the first significant evidence of increasing atmospheric carbon dioxide concentration in the atmosphere.

The Tale of Two Marches

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The Tale of Two Marches

  • Published: Mar 20th, 2013

A look at the stark differences between March 2012 and March 2013 across the country.

It’s Official: 2012 is Hottest U.S. Year on Record

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It’s Official: 2012 is Hottest U.S. Year on Record

  • Published: Jan 9th, 2013

A snapshot of how 2012 stacks up against the five other warmest years ever recorded in the U.S.

Top 10 Weather and Climate Events of 2012

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Top 10 Weather and Climate Events of 2012

  • Published: Jan 3rd, 2013

From Hurricane Sandy to record heat, here is our list of the top 10 extreme weather and climate events of 2012.

2012 Global Carbon Emissions

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2012 Global Carbon Emissions

  • Published: Dec 7th, 2012

Human-generated emissions of CO2 this year are expected to reach 35.6 billion tons. That’s up 2.6 percent from what was emitted in 2011, the previous record holder.

Slim Odds of Ending the Drought this Year

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Slim Odds of Ending the Drought this Year

  • Published: Oct 23rd, 2012

For most areas of the U.S., the worst drought in more than 50 years is likely to persist well into the winter.

Autumn is on the Move

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Autumn is on the Move

  • Published: Oct 15th, 2012

If it seems like autumn leaves are taking longer to change color, you're not imagining things. Over the past 25 years, the onset of autumn has shifted.