KEY POINTS
  • "There's an argument that you don't destabilize a society by doing too much change at once," says the former Massachusetts congressman.
  • The proposal, which calls for generating 100 percent of the nation's power from renewable sources within 10 years, emerges as a major campaign issue.
  • All the senators running as Democrats for president pledge support for it as President Donald Trump and Republicans blast it.

The Green New Deal, unveiled by New York Rep. Alexandria Ocasio-Cortez and Massachusetts Sen. Ed Markey, will not resonate with American voters, longtime Democrat Barney Frank told CNBC on Tuesday.

The proposal, which calls for generating 100 percent of the nation's power from renewable sources within 10 years, is emerging as a major campaign issue, with all the Democratic senators running for president in 2020 pledging their support and President Donald Trump and Republicans blasting it.