No longer a last resort: Pulling CO2 from the air
To save the world from the worst ravages of climate change, slashing carbon pollution is no longer enough - CO2 will also need to be sucked out of the atmosphere and buried, a landmark UN report is expected to say on Monday. If humanity had started to curb greenhouse gas emissions 20 years ago, an annual decrease of two percent out to 2030 would have put us on the right path. Challenging, b