An effective environmental treaty? Montreal Protocol.
by nathan thanki (march 2011) When astronauts first looked out the window of their spacecraft onto the only planet they had ever known, what they would have seen is a thin blue layer enveloping the globe. Without this layer, life on earth would probably not exist. The stratospheric ozone layer contains 90% of the world’s known ozone (Chasek et al 164), and is life giving because it absorbs...