You can't be a first-world economy in the 21st century if you're not on the path to a clean energy future.

You can't be a first-world economy in the 21st century if you haven't laid the groundwork to seize the opportunities.

The 21st century simply means open century.

The great challenge of the twenty-first century is to raise people everywhere to a decent standard of living while preserving as much of the rest of life as possible.

Investing in industries and technology for the 21st century generates high-skilled, high-wage jobs for industries of the future.

I'm a monomaniac with one goal: clean air from clean energy.