John Kerry, the Biden administration’s special climate envoy, warned Thursday that mounting global commitments to reach net-zero emissions by the middle of this century will not be enough to avert catastrophic warming.
To preserve a safe and recognizable global climate, the world will need to start removing the carbon dioxide we’ve spewed into the atmosphere over the last 200 years, which has created an insulating layer around our planet, the former secretary of state said during the first day of the White House’s two-day climate summit.