'We Have to Act': Atmospheric CO2 Passes 420 PPM for First Time Ever

https://www.commondreams.org/news/2021/04/06/we-have-act-atmospheric-co2-passes-420-ppm-first-time-ever?cd-origin=rss&utm_term=AO&utm_campaign=Daily%20Newsletter&utm_content=email&utm_source=Daily%20Newsletter&utm_medium=Email