{"id":14538,"date":"2012-06-18T11:45:08","date_gmt":"2012-06-18T17:45:08","guid":{"rendered":"http:\/\/wordpress-367309-1145705.cloudwaysapps.com\/?p=14538"},"modified":"2012-06-18T11:45:08","modified_gmt":"2012-06-18T17:45:08","slug":"carbon-sequestration-grasslands","status":"publish","type":"post","link":"https:\/\/sustainablog.org\/articles\/carbon-sequestration-grasslands\/","title":{"rendered":"Using Grasslands for Carbon Sequestration: a Viable Weapon against Global Warming?"},"content":{"rendered":"

\"grasslands<\/a><\/p>\n

If we want to slow climate change<\/a>, we have to reduce our carbon emissions, right? Yes… but that’s not the whole story. We’ve still got carbon dioxide in the atmosphere at dangerous levels (391.57 parts per million average for 2011<\/a>, up from\u00a0389.78 ppm). Sure, that will eventually work its way back into the soil, but probably not in our lifetimes, or those of the next several generations. In fact, we’ll probably just have to suffer the consequences of that concentration of CO2… right?<\/p>\n

Maybe. A project in West Marin, California (where else, right?) is studying the possibility of speeding up carbon sequestration in rangelands, grasslands, and other available spaces (and increasing the amount of topsoil to boot). Dubbed the Marin Carbon Project<\/a>, this joint effort among\u00a0the UC Cooperative Extension, Marin Organic<\/a>, the Marin Agricultural Land Trust<\/a>, the Marin Resource Conservation District, the USDA Natural Resources Conservation Service and Nicasio Native Grass Ranch<\/a> is working with a pretty basic hypothesis: adding judicious amounts of compost to soil will increase carbon sequestration by increasing photosynthesis in plants (which, of course, takes carbon out of the air).<\/p>\n

A peer reviewed study of the Project’s work will come out later this Summer; an article at Bohemian.com<\/a> provides a glimpse of what came from the Project’s experiments. According to writer Stett Holbrook, “…researchers spread a half-inch layer of compost onto John Wick and Peggy Rathmann’s Nicasio ranch to see what impact it might have on banking soil carbon.” The results were well beyond what anyone expected:<\/p>\n

After one year, the test plots showed a sequestering of at least one ton of carbon per hectare. A year later, without adding any additional compost, they found another ton of carbon in the soil. A year later, the same thing. And the next year, too.<\/p><\/blockquote>\n

Pretty exciting, huh? Definitely. I’d have to wonder about the climate impact of the compost itself, though: as Steve Savage pointed out \u00a0three years ago, the release of methane from industrial-scale composting<\/a> is worrisome, and could offset other gains. The scientists in this project do plan to look at the whole lifecycle of the management approaches they’re studying<\/a>, and determine the full greenhouse gas costs of them.<\/p>\n

No doubt there are many among you with more scientific background than me, so fire away: what do you think of this approach to sequestering atmospheric carbon?<\/p>\n

Thanks to longtime friend @alimoves<\/a> for the heads up on this one…<\/p>\n

Image credit: <\/strong>cwohlers<\/a> via photo pin<\/a> cc<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

A project in West Marin, California (where else, right?) is studying the possibility of speeding up carbon sequestration in rangelands, grasslands, and other available spaces by adding a little compost.<\/p>\n","protected":false},"author":56,"featured_media":14539,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[370,2329,133,696,80,5828,5829,5830,5831],"yoast_head":"\nCarbon Sequestration, Compost, and Grasslands<\/title>\n<meta name=\"description\" content=\"Scientists in West Marin, California are studying the potential of sequestering carbon in the atmosphere in grasslands through the application of compost.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sustainablog.org\/articles\/carbon-sequestration-grasslands\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" 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