Climate change is no longer just an ecological threat, but a global public health crisis, reveals a new study published by The Lancet Countdown. According to the report cited by Le Monde, 546,000 people die each year as a result of exposure to heat, a dramatic increase compared to previous decades. In parallel, toxic smoke from forest fires killed a record 154,000 people in 2023 alone. The figures show a steady deterioration in the health of the world's population, especially in regions with