Michael Regan speaks during his confirmation hearing to be the Environmental Protection Agency administrator before the Senate Environment and Public Works committee on Feb. 3. In an NPR interview Thursday, Regan says technology that helps eliminate emissions is key to tackling climate change.

Administrator of the Environmental Protection Agency nominee Michael Regan, speaks during his confirmation hearing before the Senate Environment and Public Works committee on Capitol Hill in Washington, Wednesday, Feb. 3, 2021. (Caroline Brehman/Pool via AP)