Last weekend, October 24th heralded the very first 350 day; some 5,242 rallies and creative demonstrations took place across the globe in honor of that number, that many activists and scientists insist is the most important number in the world: 350 Why? to draw attention to 350 parts per million (ppm), which an overwhelming number of researchers now insist is the safe upper limit for carbon dioxide in the atmosphere.
Last weekend, October 24th heralded the very first 350 day; some 5,242 rallies and creative demonstrations took place across the globe in honor of that number, that many activists and scientists insist is the most important number in the world: 350 Why? to draw attention to 350 parts per million (ppm), which an overwhelming number of researchers now insist is the safe upper limit for carbon dioxide in the atmosphere.