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The potential health dangers of geoengineering the climate

Geoengineering is the intentional intervention in the Earth’s climate, and the most frequently considered method is solar radiation management (SRM). The amount of incoming sunlight could be controlled, and subsequently cause less warming on Earth, by injecting aerosols into the stratosphere that absorb and reflect sunlight. Managing how much sunlight reaches Earth can help with the direct effects of climate change, such as abnormally high temperatures, and the indirect effects, such as slowing the spread of vector-borne illnesses due to expanding tropical ranges.  The direct economic costs of solar radiation management (SRM) deployment are estimated to be lower than decarbonizing the world's economy, but this form of geoengineering has potentially hazardous human health implications, such as negative effects on the respiratory system.  Read more...



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