What is the evidence for global warming?
The world is now 번동용달이사 nearly one degree Celsius warmer than it was before 동선동포장이사 widespread industrialisation, according to the World Meteorological Organization (WMO).
The 20 warmest years on record have all occurred in the past 22 years, with the years from 2015-2018 making up the top four.
The WMO says that if the current warming trend 남자레플=남자레플 continues, temperatures could rise by 3-5C by the end of this century.
A threshold of 2C had long been MSGM여성의류=MSGM여성의류 regarded as the gateway to dangerous warming. More recently, scientists and policy makers have argued that keeping temperature rise to within 1.5C is a safer limit for the world.
But an IPCC report in 2018 suggested that keeping to the 1.5C target would require "rapid, far-reaching and unprecedented changes in all aspects of society".
