Tim Flannery is an Australian scientist and author who wrote a popular 2007 book on global warming called The Weather Makers: How Man Is Changing the Climate and What It Means for Life on Earth. He has a new book out called Sunlight and Seaweed: An Argument for How to Feed, Power and Clean Up the World, which appears to be about, among other things, growing kelp on a massive scale to absorb carbon.

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