March 25, 2021 | National Academies of Sciences Engineering, and Medicine | Source

“…The report says the U.S. Global Change Research Program (USGCRP) should lead the effort to establish and coordinate a solar geoengineering research program across federal agencies and scientific disciplines, with funding in the range of $100 million-$200 million over the first five years. USGCRP would enable oversight and governance of research activities, including ensuring peer review, coordinating budget proposals and requests, periodically assessing progress, and defining program goals. Funding should be set aside specifically for implementation of governance and public engagement efforts…”

‘Dimming the sun’: $100m geoengineering research programme proposed

MARCH 25, 2021 | Damian Carrington | THE GUARDIAN |source

“All options to fight climate crisis must be explored, says national academy, but critics fear side-effects”

Outdoor experiments should be allowed only if they provide critical knowledge that cannot be obtained by other means, said the report. Photograph: Charles Wollertz/Alamy

“The US should establish a multimillion-dollar research programme on solar geoengineering, according to the country’s national science academy.

In a report it recommends funding of $100m (£73m) to $200m over five years to better understand the feasibility of interventions to dim the sun, the risk of harmful unintended consequences and how such technology could be governed in an ethical way.

The National Academies of Sciences (NAS) said cutting fossil fuel emissions remained the most urgent and important action to tackle the climate crisis. But it said the worryingly slow progress on climate action meant all options needed to be understood.

Outdoor experiments should be allowed only if they provide critical knowledge that cannot be obtained by other means, said the report, and the research programme “should not be designed to advance future deployment of these interventions”. Harvard University is hoping to gain imminent approval from an independent committee for test flights, which are opposed by environmental groups.”

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“You could actually spray sulfuric acid in the stratosphere”