Stewart Brand Audio & Video

Nuclear power: the energy crisis has even die-hard environmentalists reconsidering it. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off over the pros and cons.

What if woolly mammoths could walk the planet once again? De-extinction – or the process of creating an organism which is a member of, or closely resembles, an extinct species – was once a sci-fi fantasy only imaginable in films like "Jurassic Park."

The Future Has Always Been Crazier Than We Thought with Nassim Nicholas Taleb.

Power to Save the World with Gwyneth Cravens in conversation with Rip Anderson as part of The Long Now Foundation's Seminars About Long-term Thinking.

Glut: Mastering Information Though the Ages with Alex Wright speaking at a seminar hosted by The Long Now Foundation.

As part of The Long Now Foundation's Seminars About Long-term Thinking, technology forecaster and strategist Paul Saffo presents Embracing Uncertainty: The Secret to Effective Forecasting.

An icon of the environmental movement outlines a provocative approach for reclaiming our planet....