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It's a great time to read Sustainable Energy Without The Hot Air, an easy to read book asking if/how we can stop using fossil fuels. There are great ballpark estimates, which make the huge numbers instantly understandable. Free pdf. withouthotair.com/

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This is the Mastodon server used by @h2g2bob. Most posts are public, take a look around. Why not take a look at dbatley.com for other interesting stuff.