Geoengineering is world’s last hope, new book argues
The Planet Remade advocates artificial schemes to combat climate change
![Earth's stratosphere](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/11/112815_reviews_book-Feat_free.jpg?fit=860%2C460&ssl=1)
DARKENED SKY Spraying tiny particles into the stratosphere could help combat global warming, a new book on geoengineering asserts.
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