The British weekly "New Scientist" offers an overview of the scientific facts about climate change. The idea: to know what we can expect in the coming decades without plunging into the dark and accepting that there are unknowns without preventing us from taking action to limit the damage. I will change how "a small manual for survival in extreme climatic conditions" . Through six articles, he explores the questions that plague us this summer: why is July 2023 the hottest month on record? Can humans adapt to this extreme heat? Or is global warming really accelerating?