Efforts to make better use of food resources growing within the city are taking root in Seattle. It's part of a movement to bring urban foraging from the margins to the mainstream as a hedge against food insecurity and climate change.
Japanese banker Tsuyoshi Yoshiwara hardly fits today's caricature of a greedy, soulless banker. Instead, he campaigns against nuclear power, pays himself a modest salary and says compassion should be his company's key virtue.
Arizona and the Mexican state of Sonora are divided by an international border. But they're united by the Santa Cruz river. Now government agencies and citizens groups on both sides are struggling to preserve this precious waterway. Lorne Matalon reports.
Canada's oil sands could become the number one source of US oil imports this year, even though it is expensive and environmentally costly. Anchor Marco Werman speaks with energy expert Daniel Yergin of Cambridge Energy Research Associates.
According to a new WWF report, seventy percent of commercial marine fisheries are on the decline. Rashid Sumaila directs the Fisheries Center the the University of British Columbia. Dr. Sumaila is also the guest in our online Science Forum.
Alien species can sometimes become invaders and wreak havoc in their new environment. What makes some species become invasive? That, and two studies on the evolution of human language, in this week's World Science Podcast.
Peru has one of the most varied food cultures in the world. Not long ago, many of the country's indigenous crops were falling out of favor. Reporter Cynthia Graber recently met with two men working to reverse that trend in very different ways.