Reverse Earth getting darker
Jan 24th, 2025 at 03:42 Services Brookfield 104 views
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To reverse Earth getting darker, we need to undo these three ways Earth darkens. First, there are proposals to grow ice (net), by spraying water on top of ice in winter. Second, put aerosols (sulfur or calcite) high up in the stratosphere; this is doable and relatively cheap. Third, increase low clouds, with marine cloud brightening or thin high (warming) cirrus clouds by spraying cloud condensation nuclei high in the troposphere. One can use mirrors on the ground to reflect sunlight, even paint roof white. There are other proposals as well.
