Gina McCarthy, Administrator, U.S. Environmental Protection Agency

As Mitt Romney’s “Green Quarterback,” Gina McCarthy played a key role in helping the Massachusetts Governor craft a plan to protect the climate and grow the economy. Now she’s the point person for President Obama’s effort to do the same thing on a national scale.

The Obama administration’s clean power plan is similar to regulations first proposed in the 1990s. In addition to its impact on U.S. industry, it underpins the U.S. position going into the UN climate summit in Paris later this year. Supporters say it is a crucial move to clean up the air. Critics say it is a job killer and may be unconstitutional.

Despite the political battles in Washington, Silicon Valley is advancing renewable energy technologies that are creating companies and jobs. Can clean tech save the day?

Join America’s top environmental protector for a conversation about clean energy, the coal wars, green jobs and more.