By 2050, an estimated 10 billion people will live on earth. How are we going to provide everybody with basic needs while avoiding the worst impacts of climate change? In a talk packed with wit and wisdom, science journalist Charles C. Mann breaks down the proposed solutions and finds that the answers fall into two camps -- wizards and prophets -- while offering his own take on the best path to survival. Hosted on Acast. See acast.com/privacy for more information.