Deciphering year-to-year wiggles on the Keeling CurveThe concentration of carbon dioxide in the atmosphere was 315 parts per million by volume (ppm) when Charles Keeling started his measurement at the Mauna Loa Observatory, Hawaii, in 1958. It surpassed 400 ppm on May 9, 2013 for the first time in the 55-year continuous record of measurements. The ...
Where: Mountain ViewCost: Free
Our Changing Mountains with The American Alpine ClubFor several years, a group of scientist climbers traveled to the high mountains of Peru for an environmentally-based, humanitarian expedition. The American Alpine Club were concerned about the growing urbanization and industrialization stressing the environment of western Peru. Coupled with recent glacial recession, the AAC understood the urgent need to ...
Where: Palo AltoCost: FREE and light refreshments will be served.