04.08.2018

# New Publications

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Werner, C.; et al. (2018): Biogeochemical potential of biomass pyrolysis systems for limiting global warming to 1.5 °C

Werner, C.; Schmidt, H-P; Gerten, D.; Lucht, W.; Kammann, C. (2018): Biogeochemical potential of biomass pyrolysis systems for limiting global warming to 1.5 °C. In: Environ. Res. Lett. 13 (4), S. 44036. DOI: 10.1088/1748-9326/aabb0e.

"Our results show that meeting the 1.5 °C goal through mitigation strategies including large-scale NE with plantation-based PyCCS may require conversion of natural vegetation to biomass plantations in the order of 133–3280 Mha globally, depending on the applied technology and the NE demand. Advancing towards additional bio-oil sequestration reduces land demand considerably by potentially up to 60%, while the benefits from yield increases account for another 3%–38% reduction (equalling 82–362 Mha). However, when mitigation commitments are increased by high balancing claims, even the most advanced PyCCS technologies and biochar-mediated co-benefits cannot compensate for delayed action towards phasing-out fossil fuels."

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30.07.2018

# Media

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Cosmos: 6 ways geoengineering could fight climate change

"Some researchers think massive engineering projects might help slow global warming. Other scientists aren’t so sure. Stephen Fleischfresser surveys the top six proposals."

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08.07.2017

# Media

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New York Times: California Today: A Plan to Cool Down L.A.

"That’s why Los Angeles is pushing a novel plan to cool down the city: Turn the streets a different color. The idea of “cool pavements” has been kicking around City Hall for years, but only recently has it resulted in action on the ground. Matt Peterson, Los Angeles’s chief sustainability officer, said test applications of a light gray coating known as CoolSeal had shown a 10-degree reduction in heat gain."

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20.08.2016

# New Publications

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Kreidenweis, Ulrich; et al. (2016): Afforestation to mitigate climate change. Impacts on food prices under consideration of albedo effects

Kreidenweis, Ulrich; Humpenöder, Florian; Stevanović, Miodrag; Bodirsky, Benjamin Leon; Kriegler, Elmar; Lotze-Campen, Hermann; Popp, Alexander (2016): Afforestation to mitigate climate change. Impacts on food prices under consideration of albedo effects. In Environ. Res. Lett. 11 (8), p. 85001–85001. DOI 10.1088/1748-9326/11/8/085001

"We assessed the food price response of afforestation, and considered the albedo effect with scenarios in which afforestation was restricted to certain latitudinal zones. In our study, afforestation was incentivized by a globally uniform reward for carbon uptake in the terrestrial biosphere. This resulted in large-scale afforestation (2580 Mha globally) and substantial carbon sequestration (860 GtCO2) up to the end of the century."

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18.04.2016

# New Publications

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Mengis, Nadine; et al. (2016): Assessing climate impacts and risks of ocean albedo modification in the Arctic

Mengis, Nadine; Martin, T.; Keller, David P.; Oschlies, Andreas (2016): Assessing climate impacts and risks of ocean albedo modification in the Arctic. In J. Geophys. Res. Oceans. DOI 10.1002/2015JC011433.

"This study assesses climate impacts and risks of idealized Arctic Ocean albedo modification (AOAM), a proposed climate engineering method, during transient climate change simulations with varying representative concentration pathway (RCP) scenarios. We find no potential for reversing trends in all assessed Arctic climate metrics under increasing atmospheric CO2 concentrations."

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20.08.2015

# New Publications

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Bozzi, E.; et al. (2015): Mimicking biochar-albedo feedback in complex Mediterranean agricultural landscapes

Bozzi, E.; Genesio, L.; Toscano, P.; Pieri, M.; Miglietta, F. (2015): Mimicking biochar-albedo feedback in complex Mediterranean agricultural landscapes. In Environ. Res. Lett. 10 (8), p. 84014–84014. DOI 10.1088/1748-9326/10/8/084014

"However, some side effects of large-scale biochar application need to be investigated. In particular a massive use of a low-reflecting material on large cropland areas may impact the climate via changes in surface albedo. Twelve years of MODIS-derived albedo data were analysed for three pairs of selected agricultural sites in central Italy."

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05.09.2013

# Media

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The Australian: Climate challenge requires new approach

Article mentioning CE as an "insurance". "An overwhelming majority of Australians, 84 per cent, wants to do something about it, yet a clear majority is against the present carbon tax."

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