The current debate on population growth often deals with the question of whether a population decline will reduce emissions and save humankind (and the ecosystem as well) from the grim reality of global warming. It is grim because Earth’s atmosphere has a “memory” of the past; it remembers the accumulated emissions. So, we don’t just need to stop emitting greenhouse gases, we should take steps to reabsorb the already emitted amounts.
Ugo Bardi is a member of the Club of Rome; a former lecturer at the University of Florence, Italy.
Source: The End of Population Growth, published in 2025 by Ugo Bardi.
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