In early 2029, Earth will likely lock into breaching key warming threshold, scientists calculate
In a little more than five years – sometime in early 2029 – the world will likely be unable to stay below the internationally agreed temperature limit for global warming if it continues to burn fossil fuels at its current rate, a new study says.
The study moves three years closer the date when the world will eventually hit a critical climate threshold, which is an increase of 1.5 degrees Celsius (2.7 degrees Fahrenheit) since the 1800s.
Beyond that temperature increase, the risks of catastrophes increase, as the world will likely lose most of its coral reefs, a key ice sheet could kick into irreversible melt, and water shortages, heat waves and death from extreme weather dramatically increase, according to an earlier United Nations scientific report.
Hitting that threshold will happen sooner than initially calculated because the world has made progress in cleaning up a different type of air pollution — tiny smoky particles called aerosols. Aerosols slightly cool the planet and mask the effects of burning coal, oil and natural gas, the study’s lead author said. Put another way, while cleaning up aerosol pollution is a good thing, that success means slightly faster rises in temperatures.
https://apnews.com/article/warming-carbon-climate-change-too-late-943b4b34bff5110631c2e02f5cdf7d68
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