By Ivan Radja (La Tribune de Genève)
During a heat wave, productivity at work is affected.
According to the International Labor Organization (ILO), that of the construction sector decreases by 30% to 40% from 30 degrees, and by 50% above 33 or 34 degrees.
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Some sectors - construction, agriculture - are more affected than others, but in general, the heat induces a reduction in activity, either by cancellation of events or by a drop in energy.
And this from 24 or 25 degrees, still according to the ILO, the threshold from which the average worker begins to feel a "slack".
These heat waves now extend from early May to late September.
According to the World Meteorological Organization, the probability that the threshold of +1.5 C over one year will be exceeded by 2025 is already 40%.
Productivity will therefore be strongly affected in the coming decades, and the consequences on GDP have already been calculated.
2400 billion dollars
The Nature
magazine ,
based on heat waves…
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