Shankar Vedantam is the host and creator of Hidden Brain. The Hidden Brain podcast receives more than three million downloads per week. The Hidden Brain radio show is distributed by NPR and featured on nearly 400 public radio stations around the United States.
NPR's Tamara Keith speaks with Rohit Chopra, the director of the U.S. Consumer Financial Protection Bureau, about a Supreme Court decision that validated how the bureau is funded.
Cities are responsible for the vast majority of planet warming gas emissions. Many governments now track their emissions using annual estimates, but some scientists are pitching a new method.