Flashback - CNBC: ‘Bill Gates Is Backing the First High-Altitude Experiment of One Radical Climate Change Solution — Creating a Massive Chemical Cloud that Could Cool the Earth’

EXCERPT:

REPORTER: “Thousands of planes would fly very high and use nozzles to inject millions of tons of light-reflecting particles into the stratosphere. It would create a thin chemical cloud of those particles around the whole planet, blocking some sunlight from reaching the surface. It would mimic a giant volcanic eruption, which we know cools the Earth. But it also comes with significant risks and uncertainties."