400 Parts in a Million: The World’s Biggest Experiment

For further information:
400 ppm official reference – http://dft.ba/-400ppm
NOAA – http://www.climate.gov” href=”http://www.climate.gov
UK Met Office – http://metoffice.gov.uk/climate-change
Climate Central – http://climatecentral.org
Real Climate – http://realclimate.org
IPCC FAQs – http://dft.ba/-IPCC
US Global Change Research Program – http://globalchange.gov

This episode was made possible by the generous support of Science Alert – http://www.facebook.com/sciencealert and http://www.sciencealert.com

Special thanks to Anne Reich and Julia Wilber for their contributions to the script.

MinuteEarth is on facebook – http://facebook.com/minuteearth
And twitter – http://twitter.com/MinuteEarth

MinuteEarth provides an energetic and entertaining view of trends in earth’s environment — in just a few minutes!

Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John Guittar.

Music by Nathaniel Schroeder: http://www.soundcloud.com/drschroeder