CO₂ Rising

CO₂ is up from 280 parts per million in the 19th century atmosphere to almost 400 parts per million now — a 43% increase. We’re emitting six times more carbon from fossil fuel use now than we did 50 years ago. Atmospheric CO₂ hasn’t been this high in 400,000 years.

~ Bill Patzert NASA (National Aeronautics and Space Administration) climatologist