"The world’s leading climate scientists have warned there is only a dozen years for global warming to be kept to a maximum of 1.5C, beyond which even half a degree will significantly worsen the risks of drought, floods, extreme heat and poverty for hundreds of millions of people."

Sources:

https://www.theguardian.com/environment/2018/oct/08/global-warming-must-not-exceed-15c-warns-landmark-un-report

https://www.independent.co.uk/voices/climate-change-ipcc-environment-paris-agreement-global-warming-a8573811.html

https://metro.co.uk/2018/10/08/theres-just-12-years-left-to-stop-deadly-runaway-climate-change-un-report-warns-8015580/

https://www.vox.com/2018/10/8/17948832/climate-change-global-warming-un-ipcc-report

https://www.independent.co.uk/voices/climate-change-ipcc-environment-paris-agreement-global-warming-a8573811.html