Test of Planet-Cooling Scheme Could Start in 2022
Cars That Think
DECEMBER 19, 2021
record levels , mostly because of the coal, oil, and natural gas that gets burned for electricity, heat, and transportation. In 1991, when Mount Pinatubo erupted in the Philippines, it created a haze of particles so dense that it temporarily cooled the planet by. Concentrations of greenhouse gases are at. about 0.6 °C.
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