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From The Guardian - Climate Change
The internationally agreed threshold to prevent the Earth from spiraling into a new superheated era will be “passed for all practical purposes” during 2024, the man known as the godfather of climate science has warned.
James Hansen, the former Nasa scientist credited for alerting the world to the dangers of climate change in the 1980s, said that global heating caused by the burning of fossil fuels, amplified by the naturally reoccurring El Niño climatic event, will by May push temperatures to as much as 1.7C (3F) above the average experienced before industrialization.
In a bulletin issued with two other climate researchers, Hansen states that “the 1.5C global warming ceiling has been passed for all practical purposes because the large planetary energy imbalance assures that global temperature is heading still higher”. Hansen has promoted a view, disputed by some other climate scientists, that the rate of global heating is accelerating due to a widening gap between the amount of energy being absorbed by the Earth from the sun and the amount returning to space.
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