The climatista drive for net-zero seldom admits honestly what is required to reach this absurd goal, but once and a while a climate cultist will let the mask slip and unleash their inner Jim Jones. Like this guy on the X-Files (who is a member of the old doomster group Club of Rome), with a chart that makes it look oh-so-easy, until you read the footnotes:

Or he could just suggest that human commit mass suicide. Which not heating homes in winter will certainly accomplish.