In a clip of the interview that was released on Friday, Cooper asked Ocasio-Cortez about the specifics of the “Green New Deal,” a plan that calls for reducing carbon emissions to zero and moving the country off of fossil fuels in 10 years.

“Once you get to the tippie-tops, on your $10 millionth dollar, sometimes you see tax rates as high as 60% or 70%. That doesn’t mean all $10 million dollars are taxed at an extremely high rate. But it means that as you climb up this ladder, you should be contributing more,” Ocasio-Cortez said.

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She also acknowledged that her goal is “ambitious.”

“It’s going to require a lot of rapid change that we don’t even conceive as possible right now,” she told Cooper. “What is the problem with trying to push our technological capacities to the furthest extent possible?”

Source: Ocasio-Cortez suggests 70% tax for wealthy to fund climate change plan