Earth alert!

We must change! We must change if we want a futur for our planet and ourselves...

We must change if we want enough time for to built our "futur"...

If we lose our "atmosphere" we are all dead!

As of July 2013, atmospheric #CO2 concentrations are measured @ ~397 parts per million: http://t.co/1uJB0nfvjA #NASA pic.twitter.com/hYzx6eac2X

— NASA Climate (@EarthVitalSigns) August 13, 2013