Mark Serrez, climate scientist who runs the National Center for the United States at the University of Colorado at
The proposal also raises financial questions.for example, who will pay the annual bill of approximately $ 1–5 billion to manufacture, ship, test and distribute the required silica pellets in the Fram Strait?
This figure may seem huge, but it isis negligible compared to the roughly $ 460 billion the United States lost to extreme weather and climate disasters between 2017 and 2019 alone.
What if one could put reflectivematerial on top of young ice to protect it during the summer months? If it had this extra protection, would it be able to turn into durable multi-year ice and start a local ice re-renewal process?
For this, they suggest using dioxidesilicon, which is found naturally in most sand and is often used to make glass. In this way, you can turn the substance into tiny balls of brightly reflecting light, each 65 micrometers in diameter, thinner than a human hair. The beads will be hollow on the inside, so they will float in the water and continue to reflect sunlight.
The authors note that geoengineering is in no waycannot replace carbon reduction. Rather, it buys the time it takes for global economies to decarbonize and prevent the worst impacts of climate change.
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