Spreading olivine on beaches could accelerate ocean uptake of carbon dioxide and potentially limit climate change. The concept and execution still face some scrutiny from scientists.
geoengineering
Posted inNews
Iodine-Laden Desert Dust Is Eating at Ozone Pollution
In a happy accident, scientists found a potential solution to an atmospheric chemistry mystery. Their findings could be a missing piece in the iodine cycle and in atmospheric models.
Posted inScience Updates
Improving Models for Solar Climate Intervention Research
Modern climate models were designed to simulate natural systems and changes mainly due to atmospheric carbon dioxide, rather than to predict effects of deliberate climate interventions.
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Island Building Alters Waters Leagues Away and for Years After
Quantifying the impacts of dredging through satellite remote sensing could serve as a valuable resource in future geopolitical disputes over contested waters.
Posted inEditors' Vox
Managing Uncertainties in Climate Engineering
Control theory and climate engineering meet in a new special issue of JGR: Atmospheres.
Posted inResearch Spotlights
Countergeoengineering Could Ease or Escalate Climate Tensions
Researchers systematically consider the feasibility and political implications of future strategies to counteract temperature-lowering solar geoengineering efforts.
Posted inResearch Spotlights
Tailoring Aerosol Injections to Achieve Desired Climate Effects
Two-dimensional simulations of sulfate aerosol injections suggest that solar geoengineering projects can be customized to maximize solar reflection and help achieve potential climate objectives.
Posted inNews
A Date Under the Stars? Maybe Not with Aerosol Injection
Injecting aerosols into the atmosphere on purpose could help cool Earth, but new research shows that it could also make the night sky brighter and negatively affect human health.
Posted inResearch Spotlights
Aerosols Make Cumulus Clouds Brighter but Shorter Lived
Computer simulations show that although adding aerosol particles to clouds can make them more reflective, the cooling effect from clouds is largely counterbalanced by a reduction in overall cloud cover.
Posted inResearch Spotlights
Could Thinning of High Clouds Combat Climate Change?
A climate engineering technique that lets more heat escape from the atmosphere could avoid water cycle suppression associated with other radiation management approaches.