‘Mass extinctions’: World faces 3.2C rise this century as emissions climb

The world will suffer “mass extinctions” and “large parts of the planet will be uninhabitable” if the current rate of greenhouse gas emissions is not curbed dramatically and quickly, according to a United Nations report.

The United Nations Environment Programme (UNEP) has tracked global emissions for the past 10 years and found that the world is failing to rein in its emissions and that “as things stand, temperatures can be expected to rise by 3.2 °C this century”, leading to dire consequences. 

It found that emissions have risen at a rate of 1.5% per year in the last decade, with total greenhouse gas emissions, including from land-use change, reaching a record high of 55.3GtCO2e in 2018. Fossil CO2 emissions from energy use and industry, which dominate total emissions, grew 2% in 2018, reaching a record 37.5 GtCO2 per year, it says. 

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