What was once dismissed as a far-fetched conspiracy theory is now making its way into mainstream scientific discussions: spraying reflective particles into the atmosphere to fight “climate change.” The geoengineering method, known as stratospheric aerosol injection (SAI), has long derided as a “conspiracy theory”, but now mainstream scientists are promoting it as a viable way to “buy us some time” to combat the alleged threat of “climate change.” Scientists now propose using diamond dust—tiny reflective particles—to offset nearly all the warming caused by human activity since the industrial revolution. The idea, they say, could temporarily cool the planet by 1.8 degrees Fahrenheit (1 degree Celsius), slowing the pace of climate change while governments work toward achieving net-zero carbon emissions.