Q&A: What happens if global temperatures hit 1.5C threshold?

What does a rise in global temperatures mean for us and our planet? Here’s what experts are warning

The WMO report concluded latest that the chance of the planet exceeding 1.5 degrees of warming has risen steadily since 2015 when it was close to zero. 

A new report from the World Meteorological Organization (WMO) has found there is a 50/50 chance of the annual average global temperature temporarily reaching 1.5C above pre-industrial levels during at least one of the next five years.