The research plan will assess climate interventions, including spraying aerosols into the stratosphere to reflect sunlight back into space, and should include goals for research, what's necessary to analyze the atmosphere, and what impact these kinds of climate interventions may have on Earth, according to the White House's Office of Science and Technology Policy.But scientists and climate leaders who are concerned that humanity will overshoot its emissions targets say research is important to figure out how best to balance these risks against a possibly catastrophic rise in the Earth's temperature."You cannot judge what the country does on solar-radiation modification without looking at what it is doing in emission reductions, because the priority is emission reductions," said Janos Pasztor, executive director of the Carnegie Climate Governance Initiative.Three ways to reduce sunlight The idea of sunlight reflection first appeared prominently in a 1965 report to President Lyndon B. Johnson, entitled "Restoring the Quality of Our Environment," Keith told CNBC.Stratospheric aerosol injection would involve flying aircraft into the stratosphere, or between 10 miles and 30 miles skyward, and spraying a fine mist that would hang in the air, reflecting some of the sun's radiation back into space."