November 29, 2019
Biological SciencesNature and OutdoorsNews and Current EventsPhysical SciencesPolitics and Government
Amazon RainforestArctic PermafrostArctic Sea IceCarbon DioxideClimate ChangeClimate CrisisClimate Tipping PointCo2Coral ReefsEarth
Scientists are calling for urgent international action to avoid "an existential threat to civilization."