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Telling the story with pictures

Carbon Dioxide on the Rise

Carbon Dioxide on the Rise

Atmospheric carbon dioxide levels continue to climb, averaging 400 parts per million for the month of February — the earliest in the year Earth has hit this global warming milestone on record.

Highest Levels in 800,000 Years

Highest Levels in 800,000 Years

This is the first time in at least 800,000 years, and possibly as long as 2 million, that atmospheric carbon dioxide levels have been this high.

Winter Storm Intensity

Winter Storm Intensity

Mid-latitude winter storms have increased in both intensity and frequency nationally since 1950.

Winter Storm Frequency

Winter Storm Frequency

Mid-latitude winter storms have increased in both intensity and frequency nationally since 1950.

Red Hot February

Red Hot February

Hot dates aren’t just for Valentine’s Day. Here’s a state-by-state look at how February temps have warmed since 1970.

Cold Nights on the Decline

Cold Nights on the Decline

Take a look at how cold nights have been trending for various cities across the U.S.

2014 is Hottest Year on Record Globally

2014 is Hottest Year on Record Globally

2014 topped both 2005 & 2010 as the hottest since record keeping began, continuing the trend that the top 10 years have all occurred since 1998.

More Lake-Effect Snow

More Lake-Effect Snow

As the U.S. and globe have warmed, lake-effect snowfall amounts have been on the rise.