Biden climate summit: Are ambitious carbon cuts even enough?

While many climate policy experts are pleased with the results of the Earth Day leaders summit, some activists are demanding more systemic change.

As day two of the climate summit hosted by United States President Joe Biden got underway, a question raised by special envoy John Kerry about carbon-reduction pledges by the nations gathered was still looming large. “Is it enough?” the veteran US negotiator had asked rhetorically at a White House press conference on the summit’s opening day on Thursday. “No,” Kerry himself answered matter-of-factly. “But it’s the best we can do today and prove we can begin to move [forward].”