To combat global warming, militants say we must all accept drastic reductions in our standard of living starting now, steadily increasing year-after-year, until much of industrial society is swept away. Only thus can the earth, and perhaps mankind, be saved.The primary culprit, they claim, is human emissions of greenhouse gases – particularly carbon dioxide (CO2), belching out of everything from our cars, to our factories, to our barbecue grills. We even emit CO2 when we breathe!.Global warming