Airplanes emit nitrogen oxides, which are chief contributors to smog, acid rain, and water quality deterioration.
Eight years after the Prius was first introduced, hundreds of thousands have been sold, far outpacing all other hybrids, and it is a cultural symbol. After-market plug-in modules for the Prius are now available to the
Individuals purchasing carbon offsets usually work through organizations such as CarbonFund or Climate Trust, which reinvest the money in