Carbon dioxide levels in 2020 reached a 3-million year high
The concentration of greenhouse gases in the atmosphere has once again reached record highs, according to a UN report published Monday, putting the planet on course for warming that far exceeds critical limits to stave off catastrophic climate change. © Pierre Crom/Getty Images WIJK AAN ZEE, NETHERLANDS – AUGUST 20: Fumes from the Tata Steel plant are seen … Read more