Atmospheric carbon dioxide content for March 4  2017 -- 407.46 parts per million

One year ago -- 403.79 ppm

February 2017 -- average 406.42 ppm

February 2016 -- 404.04 ppm

January 2017 was warmest January since 1893

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Will all three eggs in the video-cam eagle nest hatch? Probably.

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About handedness in birds