The global average temperature is expected to rise to close to 2C above preindustrial levels in the next five years, the World Meteorological Organization has forecast.
Scientists expect a range of knock-on effects from such a climb to near the 2C mark, including a fall in crop yields and more than a third of the world’s population being exposed to extreme heat.
This does not represent a breach of the 2015 Paris accord target to limit warming since pre-industrial times to well under 2C and preferably to 1.5C, as the threshold is typically measured over at least two decades.
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