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Wednesday, September 27, 2023

White House Report Examines Sunlight Blocking Proposal to Tackle Climate Change

The release of the report has sparked both interest and controversy

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Russell Chattaraj
Russell Chattaraj
Mechanical engineering graduate, writes about science, technology and sports, teaching physics and mathematics, also played cricket professionally and passionate about bodybuilding.

UNITED STATES: Sunlight blocking proposal! In a move aimed at combating the pressing challenges posed by climate change, the White House Office of Science and Technology Policy has released a federally mandated report on solar geoengineering, hinting at the potential use of sunlight-blocking techniques to save the Earth from its escalating environmental crisis.

Sunlight blocking to avoid climate change?

The report, a result of a congressional mandate included in the Consolidated Appropriations Act passed in 2022, seeks to develop a “research governance framework to provide guidance on transparency, engagement, and risk management for publicly funded work in solar geoengineering research.”

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While the notion of manipulating sunlight to combat climate change has raised eyebrows and concerns within the scientific community and the general public, the US President Joe Biden administration has signalled its willingness to explore this controversial avenue.

The document outlines ongoing research into various solar geoengineering methods, with a particular focus on “stratospheric aerosol injection (SAI)” and “marine cloud brightening.” Both approaches involve introducing particles into the atmosphere to reflect sunlight away from the Earth’s surface, thereby reducing the overall amount of solar radiation reaching the planet.

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Additionally, the report on sunlight blocking mentions research into “cirrus cloud thinning,” a technique that aims to reduce high-altitude clouds’ thickness, further regulating the Earth’s heat balance. Theoretically, these methods could potentially slow down the pace of global warming and its devastating effects on the climate.

However, the report acknowledges the numerous unknowns and complex interactions within Earth’s climate systems, underlining the need for further research to understand the potential benefits and risks associated with solar geoengineering. The White House Office of Science and Technology Policy emphasizes that the focus is primarily on understanding the impacts of these methods rather than the practicalities of implementation.

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Despite this, the report has not dismissed “space-based approaches” entirely. Still, it states that geoengineering techniques are deemed more feasible in the near term, given the potential challenges and costs associated with implementing solutions in space.

Proponents of solar geoengineering argue that it could offer a rapid response to the current climate crisis, providing a short-term cooling effect on the planet. However, critics express deep concerns about unintended consequences and potential risks that could arise from tampering with the Earth’s delicate climate systems.

While the report acknowledges these concerns, it also points out that research into solar radiation modification (SRM) could ultimately inform climate policies, leading to better-informed decision-making about its potential risks and benefits.

The release of this report has sparked both interest and controversy, with many experts urging caution and thorough examination before any practical steps are taken towards solar geoengineering. Nonetheless, it is recognized as a crucial step towards understanding the potential impacts and laying the groundwork for potential future government and corporate projects in this field.

As the world grapples with the mounting urgency of climate change, the discussion surrounding solar geoengineering is likely to intensify. The report is expected to prompt further debates within scientific and policy circles as the nation seeks comprehensive strategies to tackle the unfolding climate crisis.

Also Read: Unmasking the Moon Landing Hoax: Debunking Conspiracy Theories


  • Russell Chattaraj

    Mechanical engineering graduate, writes about science, technology and sports, teaching physics and mathematics, also played cricket professionally and passionate about bodybuilding.

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