Solar Radiation Management
Bill Gates proposes using “solar radiation management”—spraying particles into the atmosphere to reflect sunlight back into space.
Bill Gates proposes using “solar radiation management”—spraying particles into the atmosphere to reflect sunlight back into space.
Carbon dating is a method used to determine the age of organic materials by measuring the decay of carbon-14, a radioactive isotope. Living organisms absorb carbon-14 from the atmosphere, but it begins to decay at a predictable rate after death.