世界气象组织：2019年科学联合报告（英文版）

The Global Climate in 2015 - 2019 • Average global temperature for 2015-2019 is on track to be the warmest of any equivalent period on record. It is currently estimated to be 1.1°C above pre-industrial (1850-1900) times and 0.2°C warmer than 2011-2015 • Observations show that global mean sea level rise is accelerating and an overall increase of 26% in ocean acidity since the beginning of the industrial era Global Fossil CO2 Emissions • CO2 emissions from fossil fuel use continue to grow by over