UN: World could hit 1.5-degree warming threshold in 5 years

UN: World could hit 1.5-degree warming threshold in 5 years
The World Meteorological Organization said there is a 20 per cent chance that the 1.5 C level will be reached in at least one year between 2020 and 2024. The period is expected to see annual average temperatures that are 0.91 C to 1.59 C higher than pre-industrial averages.