Individuals are told to reduce our " #carbon footprint," and we should. But how many years of riding a bike to work would it take me to offset one F-15 flying for an hour?
Bruce E. Johansen
Individuals are told to reduce our " #carbon footprint," and we should. But how many years of riding a bike to work would it take me to offset one F-15 flying for an hour?
Bruce E. Johansen