Scientists propose geoengineering concept to cool Earth by injecting ice into upper atmosphere, reducing water vapor.

Scientists propose a new geoengineering concept to potentially cool Earth: drying the upper atmosphere. Researchers at NOAA and NASA suggest injecting ice high up in the air to reduce water vapor in the upper atmosphere, which could counteract human-caused warmth. This idea is a new addition to the geoengineering toolbox, designed to manipulate Earth's atmosphere or oceans to combat climate change.

February 28, 2024
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