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Skeptical Science New Research for Week #46 2023

Open access notables
From this week's government/NGO section, Americans’ Trust in Scientists, Positive Views of Science Continue to Decline:

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The Impact of Solar Radiation Modification on the Ocean Carbon Cycle

Researchers have built on past studies to explore the impact of SRM on the ocean carbon cycle and marine biogeochemistry. The paper was published in Atmospheric and Oceanic Science Letters.

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Climate engineering research is essential to a just transition and sustainable future

© iStock
The U.S. National Academies of Science, Engineering, and Medicine have recently recommended an expansive federal research effort into climate engineering techniques. These proposed interventions, like creating a layer of microscopic droplets in the upper atmosphere or brightening low clouds over the ocean, aim to reduce solar radiation arriving at Earth’s surface. While only a temporary means of addressing climate change, these strategies could prevent some of the worst effects of climate change while more permanent methods, like reducing greenhouse gas emissions, are ramped up.
Through the past few decades of research, mostly with climate models, we are starting to gain an understanding of the benefits and risks of climate engineering. Climate engineering cannot perfectly cancel the climate effects of greenhouse gases. For many climate aspects (like temperature, rainfall and sea ice), climate engineering does a good job of offsetting climate change in most places, but not all. There would also likely be many serious sociopolitical risks, such as geopolitical negotiations about ideal climates or transboundary harms (real or perceived) and compensation for them. These risks need to be carefully studied and weighed so that decision-makers can decide whether and how climate engineering should be used as part of the overall response to climate change.

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Can reflecting the sun's heat cool the warming Earth?

Researchers are bringing science to bear on the question and consequences of humans using technology to put the brakes on global warming.
Nine of the hottest years in human history have occurred in the past decade. Without a major shift in this climate trajectory, the future of life on Earth is in question, but is geoengineering a cooler Earth the way to go?
“There is a dearth of knowledge about the effects of climate intervention on ecology,” says Phoebe Zarnetske, associate professor in the integrative biology department in Michigan State University’s College of Natural Science and lead author of the new paper in the

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Should We Use Technology to Slow Global Warming? |

April 6, 2021
5 min read
Without a major slowing of global warming, humans and nature will face increasingly dire consequences. Nine of the hottest years in human history have occurred in the past decade as documented on Climate.gov. Without a major shift in this climate trajectory, the future of life on Earth is in question, which poses a new question: should humans, whose fossil-fueled society is driving climate change, use technology to put the brakes on global warming? Stratospheric aerosol intervention (SAI) is a deliberate climate intervention that has been studied as a way to help cool the Earth as fossil fuel emissions are reduced. But what would be the consequences to natural systems if SAI was used?

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Geoengineering Earth's Atmosphere: Potential Effects of Climate Intervention on Ecology

Geoengineering Earth's Atmosphere: Potential Effects of Climate Intervention on Ecology
Written by AZoCleantechApr 6 2021
Nine of the hottest years in human history have occurred in the past decade. Without a major shift in this climate trajectory, the future of life on Earth is in question, which poses a new question: Should humans, whose fossil fueled society is driving climate change, use technology to put the brakes on global warming?
Michigan State University community ecologist Phoebe Zarnetske is co-lead of the Climate Intervention Biology Working Group, a team of internationally recognized experts in climate science and ecology that is bringing science to bear on the question and consequences of geoengineering a cooler Earth.

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How Would Geoengineering Impact Nature? SBU ecologist and colleagues tackle the question |

How Would Geoengineering Impact Nature? SBU ecologist and colleagues tackle the question |
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A sun reflector for earth?

E-Mail
NEW YORK, APRIL 5, 2021 -- Nine of the hottest years in human history have occurred in the last decade. Without a major shift in this climate trajectory, the future of life on Earth is in question. Should humans, whose fossil-fueled society is driving climate change, use technology to put the brakes on global warming?
Every month since September 2019 the Climate Intervention Biology Working Group, a team of internationally recognized experts in climate science and ecology, has gathered remotely to bring science to bear on that question and the consequences of geoengineering a cooler Earth by reflecting a portion of the sun's radiation away from the planet -- a climate intervention strategy known as solar radiation modification (SRM).

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To intervene or not to intervene? That is the future climate question

E-Mail
EAST LANSING, Mich. - Nine of the hottest years in human history have occurred in the past decade. Without a major shift in this climate trajectory, the future of life on Earth is in question, which poses a new question: Should humans, whose fossil fueled society is driving climate change, use technology to put the brakes on global warming?
Michigan State University community ecologist Phoebe Zarnetske is co-lead of the Climate Intervention Biology Working Group, a team of internationally recognized experts in climate science and ecology that is bringing science to bear on the question and consequences of geoengineering a cooler Earth.

United-states , America , American , Jessica-gurevitch , Alan-robock , Peter-groffman , Phoebe-zarnetske , Department-of-ecology , Climate-intervention-biology-working-group , Space-lab , Cary-institute-of-ecosystem , Department-of-integrative-biology

Solar geoengineering not a 'sensible rescue plan', say scientists | Imperial News

15 February 2021
New study indicates that reflecting solar energy back to space in an attempt to reduce global warming could cause more problems than it solves.
Increasing emissions of greenhouse gases into the atmosphere, resulting in an accelerating rise in atmospheric temperature, are creating a hugely significant challenge to people and the planet.
Scientists are looking into the plausibility of ideas that aim to limit the effects of climate change, while carbon emissions from humans burning fossil fuels continue to over-insulate the planet. 'Solar geoengineering' proposes to reflect incoming sunlight back into space by deliberately releasing reflective particles into the upper atmosphere where they block the sun's warming rays.

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