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Geoengineering

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SCIENCE: NOAA gets go-ahead to study climate Plan B: Geoengineering

The top climate change scientist for NOAA said he has received $4 million from Congress and permission from his agency to study two emergency — and controversial — methods to cool the Earth if the U.S. and other nations fail to reduce global greenhouse gas emissions.

Ask Ethan: Could We Just Build A ‘Space Sunshade’ To Counteract Global Warming? – Forbes

The Earth is continuing to warm due to the impact humanity has had on our planet’s atmosphere, while… [+] the average solar irradiance has not changed at all. However, a potential solution such as a Space Sunshade could reduce the…

Is Geoengineering a Solution to Global Warming? – Sierra Magazine

If you can get past the hokey, chose-your-own-adventure introduction and the random vignettes of cli-fi pastiche, After Geoengineering: Climate Tragedy, Repair, and Restoration (Verso, 2019) is a provocative imagining of the ways civilization might avoid catastrophic global warming. Holly Jean…

The portent of runaway greenhouse warming

by Andrew GliksonEarth and climate scientistAustralian National University Carbon, the essential element underpinning photosynthesis and life, is transformed into toxic substances in the remnants of plants and organisms buried in sediments. Once released to the atmosphere in the form of…

Huge climate march in Madrid calls for action from COP25 as world faces climate emergency

Madrid turned out on mass to send a message to the delegates in the UN Climate Change Conference COP25 at Feria de Madrid on Friday night. Organisers estimated 500,000 people. whether this number is accurate is irrelevant, the crowds were…

Can Arctic ‘ice management’ combat climate change?

(Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research) According to a much-debated geo-engineering approach, both sea-ice retreat and global warming could be slowed by using millions of wind-powered pumps, drifting in the sea ice, to promote ice formation during the Arctic winter.

How should billionaires spend their money to fight climate change? – Vox.com

Whether you like it or not, billionaire philanthropy exists. And if it’s going to keep existing, then we’d probably do well to figure out how donors’ resources can most effectively tackle our world’s biggest problems. That includes our most urgent…