As I descended from I-95 into the concrete forest that now covers the city of Miami, I pondered the artificial shade. Darkness permeated while the sun rested high in the sky.
Data collected from ice cores, shows us that CO2 levels have been below 300 parts per million (ppm) for over 800,000 years. We are currently at almost 390ppm. Dr. James Hansen of NASA stated “If humanity wishes to preserve a planet similar to that on which civilization developed and to which