Tech billionaires could end climate change. So why aren’t they? | David Wallace-Wells

• Saving the world from the apocalyptic impact of climate change should be a dream for many Silicon Valley titans concerned about legacy, says David Wallace-Wells, and yet few are dedicating themselves to addressing the catastrophe. • Negative emissions technology funded by Bill Gates exists. It would cost $3 trillion per year to operate globally and would mean human industry could continue at current levels without global warming. • That figure sounds astronomical, however global subsidies to fossil fuel i