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The Climate Emergency Is About Numbers. Here’s How to Fight It.

The UN’s Intergovernmental Panel on Climate Change released a report that for the first time speaks with certainty about the total responsibility of human activity for rising temperatures.

The world is on fire. 

The world is on fire. 

Photographer: Angelos Tzortzinis/AFP via Getty Images

A new report from the United Nations-backed Intergovernmental Panel on Climate Change warns that the planet will warm by 1.5 degrees Celsius in the next two decades without drastic moves to eliminate greenhouse gas pollution. Already, the past decade was most likely hotter than any period in the last 125,000 years, with the group pinning the blame on human activity in the 3,949-page assessment. The report also found that combustion and deforestation have also raised carbon dioxide in the atmosphere higher than they’ve been in two million years, and agriculture and fossil fuels have contributed to methane and nitrous oxide concentration higher than any point in at least 800,000 years.

Here’s what Bloomberg Opinion columnists an contributors have been saying about climate change and potential solutions: