After the Spike: Population, Progress, and the Case for People
An eye-opening exploration of humanity’s unprecedented path to global depopulation and its significance from economists Dean Spears and Michael Geruso.
Book • 2025
Dean Spears and Michael Geruso's 'Beyond the Spike' challenges the assumption that declining birth rates can effectively combat climate change.
The authors argue that even significant reductions in population would have a negligible impact on global emissions and temperature.
Instead, they advocate for immediate and comprehensive global climate action as the only viable solution.
The book also highlights that rising populations have historically coincided with environmental improvements, such as pollution reduction and enhanced water quality.
By dispelling the depopulation fantasy, Spears and Geruso urge a focus on practical and impactful measures to address climate change.
This perspective encourages a more nuanced understanding of the relationship between population, progress, and environmental sustainability, promoting effective strategies for a sustainable future.
The authors argue that even significant reductions in population would have a negligible impact on global emissions and temperature.
Instead, they advocate for immediate and comprehensive global climate action as the only viable solution.
The book also highlights that rising populations have historically coincided with environmental improvements, such as pollution reduction and enhanced water quality.
By dispelling the depopulation fantasy, Spears and Geruso urge a focus on practical and impactful measures to address climate change.
This perspective encourages a more nuanced understanding of the relationship between population, progress, and environmental sustainability, promoting effective strategies for a sustainable future.
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as a book that makes a compelling argument that depopulation is not a solution for climate change.

Anastasia Berg

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