WIRED ScienceOne Scientist Hopes to Engineer the Climate With Antacid
To help cure the planet’s ailments, Zhen Dai suggests antacid. In powdered form, calcium carbonate—often used to relieve upset stomachs—can reflect light; by peppering the sky with the shiny white particles, the Harvard researcher thinks it might be possible to block just enough sunlight to achieve some temperature control here on Earth.
