I am pledging to be flight free in 2021 because I believe that burning hydrocarbons in our outer atmosphere is contributing to the destruction of this very delicate film of air that protects us from the sun’s more harmful rays. I learned about global warming in college in a survey course on energy and resources, and the emphasis was always on carbon dioxide in the atmosphere. In fact, recent scientific studies indicate that for aviation, the non CO2 combustion byproducts are twice as bad as the CO2 emitted from the tailpipe.
Rick Watts, California
I am highly worried about the future of our planet. There are 1400+ million metric tons of carbon in the melting permafrost; this is just one example ...
