http://www2.le.ac.uk/offices/press/press-releases/2015/december/global-warming-disaster-could-suffocate-life-on-planet-earth-research-shows http://www2.le.ac.uk

http://www2.le.ac.uk/offices/press/press-releases/2015/december/global-warming-disaster-could-suffocate-life-on-planet-earth-research-shows http://www2.le.ac.uk/offices/press/press-releases/2015/decem... "a sufficiently large warming (roughly estimated as 5–6 ◦C, see Robinson 2000) would inevitably lead to an ecological disaster resulting in a complete depletion of oxygen."