The Biden administration has proposed funding and outlining a five-year study into solar geoengineering, a science that pertains to deflecting the sun’s rays before they hit the earth.
According to the Guardian, one method the government is testing is sending a group of planes to spray reflective particles into the upper atmosphere. Ideally, this would block sunlight and keep surface temperatures from rising too high.
A White House spokesperson for the Office of Science and Technology Policy clarified that the basis for its recent proposal is “not new research, but a report that highlights some of the key knowledge gaps and recommendations of priority topics for relevant research.”
The spokesperson added the the Biden administration has been taking drastic measures to cut down on carbon-dioxide levels and greenhouse-gas emissions.
Critics argue that there are potential downsides to blocking the sun’s rays, including the negative impacts on photosynthesis for plants—and particularly those that are part of the food cycle.