27.10.2016

# New Publications

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Woolf, Dominic; et al. (2016): Optimal bioenergy power generation for climate change mitigation with or without carbon sequestration

Woolf, Dominic; Lehmann, Johannes; Lee, David R. (2016): Optimal bioenergy power generation for climate change mitigation with or without carbon sequestration. In nature communications 7. DOI 10.1038/ncomms13160.

"Although bioenergy-biochar systems (BEBCS) can also deliver CDR, they are not included in any IPCC scenario. Here we show that despite BECCS offering twice the carbon sequestration and bioenergy per unit biomass, BEBCS may allow earlier deployment of CDR at lower carbon prices when long-term improvements in soil fertility offset biochar production costs."

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27.10.2016

# Media

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Cornell Chronicle: New model suggests scrubbing CO2 from the atmosphere

"New Cornell research suggests an economically viable model to scrub carbon dioxide from the atmosphere to thwart runaway, point-of-no-return global warming. The researchers propose using a “bioenergy-biochar system” that removes carbon dioxide from the atmosphere in an environmental pinch, until other removal methods become economically feasible and in regions where other methods are impractical."

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03.07.2016

# Media

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Center for Carbon Removal: Biochar Basics

"Biochar is a fascinating carbon-negative technology.  It is created through the burning of biomass feedstocks (wood, crop wastes, manure, etc.) in low or no oxygen conditions; this oxygen-deprived process is called pyrolysis.  Biochar acts as a carbon sequestration technology by storing the carbon dioxide absorbed by plants during growth within the char."

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17.05.2016

# New Publications

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Zhang, Dengxiao; et al. (2016): Is current biochar research addressing global soil constraints for sustainable agriculture?

Zhang, Dengxiao; Yan, Ming; Niu, Yaru; Liu, Xiaoyu; van Zwieten, Lukas; Chen, De et al. (2016): Is current biochar research addressing global soil constraints for sustainable agriculture? In Agriculture, Ecosystems & Environment 226, pp. 25–32. DOI 10.1016/j.agee.2016.04.010 .

Review paper on biochar research. "Global-linked studies should be developed for upscaling of biochar use in world agriculture."

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21.02.2016

# New Publications

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Averett, Nancy (2016): Healthy Ground, Healthy Atmosphere. Recarbonizing the Earth’s Soils

Averett, Nancy (2016): Healthy Ground, Healthy Atmosphere. Recarbonizing the Earth’s Soils. In Environmental Health Perspectives 124 (2), pp. 30–35. DOI 10.1289/ehp.124-A30.

"To discuss the potential benefits and challenges of soil carbon sequestration, Le Foll spent two days with Lal at Ohio State’s C-MASC, where the discussion focused on the feasibility of the 4/1000 proposal.16 C-MASC has collaborated with the Natural Resources Conservation Service (NRCS) and Agricultural Research Service of the U.S. Department of Agriculture to conduct research on this theme since early 1990s."

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20.02.2016

# Projects

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Project: Cool Planet (Biochar)

"Cool Planet is a technology company that is developing Engineered Biocarbon™ and hydrocarbon products to address three of the world’s largest markets: food, water, and energy, . Currently we are commercializing Cool Terra® an engineered biocarbon product that helps to improve soil health, as well as Cool Fauna™ for use in animal nutrition. Our Cool Terra® engineered biocarbon product sequesters carbon and creates value for the agriculture, water, and livestock industries."

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19.02.2016

# Media

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AgFunderNews: Cool Planet Raises $9m to Commercialize CO2 Sequestering Biocarbon Soil Input

"Cool Planet, the biocarbon and biofuel producer, has raised $9 million in extra funding to commercialize its soil amendment product CoolTerra, which just earned a USDA Certified Biobased Product Label."

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19.01.2016

# Media

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Craig Sams Blog: Bio Char

"If you add 18 to 20 tons of compost per hectare (2.2 acres) of land, only 1 ton of the carbon in the compost stays in the soil. As the compost decays into humus, the rest goes off into the atmosphere as carbon dioxide. With biochar, 10 to 20 percent of the carbon goes off as carbon dioxide after a decade or so but the rest is sequestered in the soil for hundreds if not thousands of years."

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12.01.2016

# New Publications

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Smith, Pete (2016): Soil carbon sequestration and biochar as negative emission technologies

Smith, Pete (2016): Soil carbon sequestration and biochar as negative emission technologies. In Global Change Biology. DOI 10.1111/gcb.13178.

"In this paper, I assess the potential for negative emissions from soil carbon sequestration and biochar addition to land, and also the potential global impacts on land use, water, nutrients, albedo, energy and cost. Results indicate that soil carbon sequestration and biochar have useful negative emission potential (each 0.7 GtCeq. yr−1) and that they potentially have lower impact on land, water use, nutrients, albedo, energy requirement and cost, so have fewer disadvantages than many NETs."

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04.01.2016

# New Publications

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Heck, Vera; et al. (2015): Is extensive terrestrial carbon dioxide removal a ‘green’ form of geoengineering? A global modelling study

Heck, Vera; Gerten, Dieter; Lucht, Wolfgang; Boysen, Lena R. (2015): Is extensive terrestrial carbon dioxide removal a ‘green’ form of geoengineering? A global modelling study. In Global and Planetary Change. DOI 10.1016/j.gloplacha.2015.12.008.

"As it is a plant-based CE option that extracts CO2 from the atmosphere, it might be considered a ‘green’ CE method that moves the biosphere closer to its natural, i.e. pre-Neolithic, state. Here, we test this hypothesis by comparing the biogeochemical (water- and carbon-related) changes induced by biomass plantations compared to those induced by historical human land cover and land use change. Results indicate that large-scale biomass plantations would produce a biogeochemical shift in the terrestrial biosphere which is, in absolute terms, even larger than that already produced by historical land use change."

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