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A defence of geoengineering

Business Green

That was my first question in early March, when a new book about geoengineering, Hacking Planet Earth , authored by journalist Thomas Kostigen , landed on my desk. Another pretty radical solar geoengineering idea, explored in the book, involves spraying the stratosphere with the same mission in mind: deflecting the sun. Intriguing?

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10 European firms every sustainability professional should know

Business Green

The British hardware startup has designed an internet-of-things-connected smart socket that can "automatically identify and eliminate wasted energy" in buildings, through machine learning. A pilot project with construction company Kier, at a building site in Wales, cut energy use by 27 percent.