
Does it matter if the world breaches 1.5C for a single year?
Zero: The Climate Race
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The Importance of 1.5 Degree Celsius in the Global Warming Goals
There is a 66% likelihood that the annual average near surface global temperature will rise above 1.5 degree Celsius compared to pre-industrial levels for at least one year between 2023 and 2027, WMO says. The Paris agreement is very clear: The goal is to keep warming below 1.5degree Celsius for the long term. To breach the Paris agreement goal, the global average temperature will have to exceed 1.5 degrees Celsius consistently for many years.
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