title: Leaders must act now to prevent irreversible effects of climate change, say scientists.
authors.affiliation: London.
authors.forename: Matthew
authors.initials: M
authors.lastname: Limb
mesh_terms: D057231:Climate Change / Q000706:statistics & numerical data*; D058735:Environmental Policy; D006801:Humans; D007391:International Cooperation; D012106:Research; D014480:United Nations