"How to Cool the Planet" explores the controversial field of geoengineering and the scientific, ethical, and political challenges it presents in the context of climate change. The book delves into various proposed technologies aimed at manipulating the Earth's climate, such as reflecting sunlight away from the planet or capturing carbon dioxide from the air. Through interviews with scientists and experts, the author examines the potential risks and benefits of these technologies, as well as the moral implications of deploying them. The narrative raises critical questions about human intervention in the Earth's climate system and the potential consequences of such actions, urging a thoughtful and cautious approach to climate solutions.

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