Biochar: The Sequestration Technology for Carbon Prices above $400 / ton

Guest essay by Eric Worrall If you thought the planned Canadian $50 / ton for carbon will be painful, a study published in Nature explores optimal carbon sequestration technologies at various much higher carbon price points. It concludes conventional carbon sequestration – burying CO2 in a disused gas well – offers poor returns below $1000…

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Friday Funny – Madhouse Mann

Josh writes: Michael Mann has a book out called “The Madhouse Effect” with cartoons by Tom Toles, and which was the subject of a WUWT post back in April. It looks like it’s a summary of every alarmist strawman and lots of name calling of sceptics – well, I guess that’s all they got. Just in case…