geoengineering

Video: Glass bead geoengineering to protect sea ice may actually accelerate its loss

By Lisa McDonald / October 12, 2022

In 2018, geoengineers proposed that spreading hollow glass microspheres over sea ice would protect it from melting. However, a new study argues the glass beads would likely accelerate loss of sea ice instead.

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Reflective glass beads could slow the retreat of Arctic sea ice

By Lisa McDonald / May 21, 2019

Arctic sea ice continues to decrease at an accelerating rate each year. Nonprofit group Ice911 proposes spreading reflective glass beads on the ice to slow melting.

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“Chalk piles” to cut CO2

By / November 12, 2010

A recent piece in the Proceedings of the National Academy of Sciences discusses geoengineering as a way to manipulate Earth’s climate in order to counteract global warming from greenhouse gas…

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