Analysis: Why use must plummet this decade to keep below 1.5C

The next 10 years are for tackling , with widespread recognition that 45% by 2030 to keep global warming below 1.5C.

global emissions are

--> ,

despite the pledges made by every country of the world under the 2015 . This ambition gap is getting larger over time.

First, the remaining for 1.5C is extremely small, equivalent to around eight years of current emissions. is the single largest contributor to emissions today and it emits far more CO2 per unit of energy than oil or gas, so it must inevitably fall quickly to keep warming below 1.5C.

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Second, the more rapid reductions in in the least-cost pathways to 1.5C reflect the availability of economically attractive alternatives that can be deployed in IAMs – and in the real world – including , and other zero-carbon sources of electricity. Notably coal plants around the world are facing financial difficulties, with loss-making operations from Europe to China.

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