July 2021

29.07.2021

# Media

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IEA: Innovation needs in the Sustainable Development Scenario

"Innovation is central to the Sustainable Development Scenario. Almost 35% of the cumulative CO2 emissions reductions seen in the Sustainable Development Scenario by 2070 compared with the current trajectory come from technologies that are currently at the prototype or demonstration phase and that will not become available at scale without further R&D (including commercial demonstrators) and technical improvements."

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29.07.2021

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CNBC: SUSTAINABLE FUTURE IIF sees huge potential for voluntary carbon credits, predicts $100 billion a year market by 2050

"It comes at a time when policymakers and business leaders are under intensifying pressure to deliver on promises made as part of the landmark Paris Agreement ahead of this year’s COP26, due to be held in Glasgow, Scotland in early November."

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29.07.2021

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Vox EU: A policy framework for achieving negative emissions

"This column argues that an alternate type of policy, called 'carbon shares', can limit emissions as efficiently as carbon taxes or caps while also properly incentivising negative emissions."

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29.07.2021

# Projects

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Project: AlliedOffsets

"We are the world’s first aggregated data source for carbon offsetting."

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28.07.2021

# New Publications

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Power, Ian M.; et al. (2021): Carbonation, Cementation, and Stabilization of Ultramafic Mine Tailings

Power, Ian M.; Paulo, Carlos; Long, Hannah; Lockhart, Justin A.; Stubbs, Amanda R.; French, David; Caldwell, Robert (2021): Carbonation, Cementation, and Stabilization of Ultramafic Mine Tailings. In Environmental science & technology 55 (14), pp. 10056–10066. DOI: 10.1021/acs.est.1c01570.

"A promising approach for de-risking brucite-bearing ultramafic tailings is in situ cementation via carbon dioxide (CO2) mineralization, which also sequesters this greenhouse gas within carbonate minerals. In cylindrical test experiments, brucite [Mg(OH)2] carbonation was accelerated by coupling organic and inorganic carbon cycling. Waste organics generated CO2 concentrations similar to that of flue gas (up to 19%)."

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28.07.2021

# Projects

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Game: The Road to Ten Gigatons

" Your task is to choose carbon removal approaches to scale up by moving the colored sliders below until you reach 10 gigatons."

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28.07.2021

# New Publications

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Li, Wei; et al. (2021): Bioenergy Crops for Low Warming Targets Require Half of the Present Agricultural Fertilizer Use

Li, Wei; Ciais, Philippe; Han, Mengjie; Zhao, Qing; Chang, Jinfeng; Goll, Daniel S. et al. (2021): Bioenergy Crops for Low Warming Targets Require Half of the Present Agricultural Fertilizer Use. In Environmental science & technology. DOI: 10.1021/acs.est.1c02238.

"Here, we use an observation-driven approach to estimate the future bioenergy biomass production for land-use scenarios maximizing BECCS and the pertaining nutrient requirements."

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28.07.2021

# New Publications

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Goll, Daniel S.; et al. (2021): Potential CO2 removal from enhanced weathering by ecosystem responses to powdered rock

Goll, Daniel S.; Ciais, Philippe; Amann, Thorben; Buermann, Wolfgang; Chang, Jinfeng; Eker, Sibel et al. (2021): Potential CO2 removal from enhanced weathering by ecosystem responses to powdered rock. In Nat. Geosci., pp. 1–5. DOI: 10.1038/s41561-021-00798-x.

"Here we explore soil amendment with powdered basalt in natural ecosystems."

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28.07.2021

# Media

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Blog: Genn: Greenhouse Gas Removal (GGR) at scale is complex but necessary

"The problem we face lies not in the future, but of the here and now as a result of our previous emissions. Tackling this will require the deployment of negative emissions technologies – technologies or approaches which take greenhouse gases out of the atmosphere."

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28.07.2021

# Media

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Blog: Gwern Branwen: CO2 Coin: Decentralized Carbon Capture Blockchains

"Sketch of a decentralized mineralization-based carbon capture: suppliers stake on reported deposits of mineral dust in publicly-auditable locations."

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