17.10.2018

# Media

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Wired: Could we reverse global warming by redesigning the atmosphere?

"Climate change, former US Secretary of State Rex Tillerson once said, is “an engineering problem, and it has engineering solutions.” Following President Trump’s withdrawal from the Paris Agreement on climate, an idea has been catching on among Republican politicians and climate researchers alike – geoengineering. In other words: What if we reversed global warming simply by redesigning the atmosphere?"

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17.10.2018

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Quartz: Trump signed a landmark bill that could create the next big technologies to fight climate change

"The budget bill passed today included a lot of extra defense spending. In return for scratching the Republicans’ back, Democrats secured a slew of spending and tax credits on health care, education, and clean energy. Some of these had huge Republican support, such as the 45Q tax credits for carbon capture and 45J nuclear-power production credits."

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15.10.2018

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Bloomberg News: Carbon Removal Firms See Opportunity in U.N. Climate Report

"Scientists and entrepreneurs developing ways to suck carbon pollution from the air see validation in a United Nations’ new climate report, which they hope will lead to greater investor support and more research dollars."

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15.10.2018

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Phys.org: Why we can't reverse climate change with 'negative emissions' technologies

"Featured prominently in the report is a discussion of a range of techniques for removing dioxide from the air, called Carbon Dioxide Removal (CDR) technologies or negative emissions technologies (NETs). The IPCC said the world would need to rely significantly on these techniques to avoid increasing Earth's temperatures above 1.5 degrees Celsius, or 2.7 degrees Fahrenheit, compared to pre-industrial levels."

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15.10.2018

# New Publications

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Yu, Q. (2018): Direct capture of CO2 from ambient air using solid sorbents

Yu, Q. (2018): Direct capture of CO2 from ambient air using solid sorbents. Enschede: University of Twente. DOI:10.3990/1.9789036546300

"In this thesis, a novel process is developed and experimentally demonstrated, for CO2 capture from ambient air to produce CO2 enriched air to enhance microalgae cultivation. First, an amine functionalized sorbent is selected, initially based on its water and CO2 equilibrium adsorption capacity. Subsequently, the selected sorbent is characterized on its stability under different conditions for a wide range."

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15.10.2018

# New Publications

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MacMartin, D. G.; et al. (2019): The Engineering of Climate Engineering

MacMartin, D. G.; Kravitz, B. (2019): The Engineering of Climate Engineering. In: Annu. Rev. Control Robot. Auton. Syst. 2 (1). DOI: 10.1146/annurev-control-053018-023725.

"While reducing anthropogenic greenhouse gas emissions remains the most essential element of any strategy to manage climate change risk, it is also in principle possible to directly cool the climate by reflecting some sunlight back to space. Such climate engineering approaches include adding aerosols to the stratosphere and marine cloud brightening. Assessing whether these ideas could reduce risk requires a broad, multidisciplinary research effort spanning climate science, social sciences, and governance."

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14.10.2018

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Science: Key climate panel, citing impending crisis, urges crash effort to reduce emissions

"A report released yesterday in Incheon, South Korea, by the Intergovernmental Panel on Climate Change (IPCC) says allowing the planet to warm by more than 1.5°C could have dire consequences, and that a speedy transformation of the world’s energy systems is needed to avoid breaching that limit, which is notably tighter than the target of 2°C cited in the Paris agreement of 2015. “Net [carbon dioxide] emissions at the global scale must reach zero by 2050,” said Valérie Masson-Delmotte, a climate scientist at France’s Alternative Energies and Atomic Energy Commission in Paris and a key participant in drafting the report."

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14.10.2018

# Media

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Quartz: The ultimate guide to negative-emission technologies

"The world has delayed reducing carbon emissions for so long that humanity will need to suck enormous amounts of carbon dioxide back out from the air to avoid catastrophic global warming. That’s one of the conclusions of a new report published by the Intergovernmental Panel on Climate Change."

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14.10.2018

# Media

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Der Standard: Climate crisis: The 1.5-degree target is still achievable (German)

German article on CE.

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13.10.2018

# Media

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The Guardian: Geoengineering may be used to combat global warming, experts say

"IPCC authors suggest there is high agreement that injection of chemicals into stratosphere could help limit rises"

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