Record temperatures in China and the United States, unprecedented forest fires in Canada, historic droughts in Spain and Morocco...: summer 2023, which looks to be the hottest ever recorded, confirms, as if it were still necessary, that climate change is here, that its effects are increasing, and that it is not sparing anyone. Its origin lies in a phenomenon that has been known for a long time, since it was first identified in 1824 by the French mathematician Joseph Fourier: the greenhouse effect, caused by human activities releasing a quantity of gas of the same name into the atmosphere.This is a cumulative process which, unless we want to risk intolerable global warming, will have to stop
