https://www.technologyreview.com/2021/02/11/1018134/heres-bidens-plan-to-reboot-climate-innovation/amp/

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The Biden Administration will propose a new ARPA-C agency, modeled on DARPA that developed the internet. ARPA-E is primarily focused on “transformational low-carbon energy technologies,” while ARPA-C

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Hello Geoff, Thanks for the link to the Doug Pow video. I have provided information on feeding biochar to cattle to people on the Sierra Club Food and Agriculture team. There is a research project at

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Thanks for this link Frank. I recently joined a group of Extension people working on Climate Change issues which was kinda forbidden during our Trump times. Paul McCullough

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Hi Stephen, Dear Stephen, Thanks so much for recommending the paper, Biochar builds soil carbon over a decade by stabilising rhizodeposits (link to download here). I agree that biochar’s role in stabi

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Ron, I have been looking back on my files of 2006, when I was doing some work for a big Empowerment festival, - I recall the original article I read that turned me on to Biochar, about that time but t

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Analysis of Terra Preta ~1966 to 2000 … https://www.researchgate.net/publication/12032464_The_'Terra_Preta'_phenomenon_A_model_for_sustainable_agriculture_in_the_humid_tropics/link/53e531890cf25d674e9

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Andrew and list Hi Andrew (moderator of the associated “Stoves” list). Good question. I’ve been to Andrew’s home - which is atop a (certainly not 100%) peat bed near London. This could be a pretty eas

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At what level does biochar become a risk from fire, peat fires can be a problem in UK. Andrew

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Geoff and list I’ve been looking for your 33% number for years. Half or more of the remainder might be there only because of the maybe roughly 40% initial charcoal/biochar. Can you (anyone) give a cit

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Frank and all, people set limits to the amount of biochar in the soil because of ( I gather) current or some years ago costs, but the terra preta soil we are all inspired by before is said to have One

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I was going to send this a few days ago, but still germaine I think. I wonder whether the Cows being fed Charcoal rave may win more Sierra club support, - huge areas of America are devoted to cow farm

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This publication from Nov. 2017 provides plenty of credible information collated from around the world: https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az1752-2017.pdf

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RE: “There have been other recent discussions of biochar by other Sierra Club groups and I was getting the impression that some of the statements seemed like they were right out of a Biofuel Watch art

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Hi Paul, Ideally, Sierra Club would have consulted with biochar experts such as those at IBI, prior to releasing their policy. That sure doesn’t seem to be the case. I think this will be a process to

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Stephen, Thanks. I am a “friendly audience” and I struggle with the content of the abstract of that article. Sounds good, but hard to boil it down. So I latch on to your sentence: “We have a couple mo

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Dear pauls It is important that groups like the Sierra Club understand that long term use of biochar can lead to substantial build up of soil Carbon. A good place to start is the article by Han Weng.

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Paul M. and all, Good comments!!! If we are not aware of how biochar is being ignored or mis-represented, we will forever be behind the 8-ball. (In a bad position.). I am glad that you, as an active S

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Hi Paul, I haven’t finished your White Paper yet, but so far so good. I hope to get back to it soon. Sierra Club is one of the first and only environmental group to promote using biochar. It’s part of

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Biochar group, Below is a link to the entire “Sierra Club ​​Climate Resilience, Carbon Dioxide Removal, and Geoengineering Policy” And the extraction of the section about Biochar. To which I have adde

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