Life is short, smile while you still have teeth. Be happy, not because everything is good, But because you can always find the good side of everything.
Wednesday, 3 March 2010
The Science of 350
350 parts per million is what many scientists, climate experts, and progressive national governments are now saying is the safe upper limit for CO2 in our atmosphere. Scientists say that 350 parts per million CO2 in the atmosphere is the safe limit for humanity. Learn more about 350 – what it means, where it came from, and how to get there