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.
Biofuels have been touted as the best hope for reducing reliance on fossil fuels and limiting greenhouse gases. Now many scientists are raising doubts about that. Reporter Kathleen Schalch examines the debate over the costs and benefits of biofuels.
The answer to today's Geo Quiz is the Kamchatka peninsula in Russia's far east. Anchor Marco Werman speaks with David Quammen who wrote about this remote area ?where salmon rule? for this month's National Geographic.
After dropping out of school as a teenager because of poverty and drought William Kamkwamba built a windmill out of discarded materials in his village. Kamkwamba tells anchor Marco Werman how the windmill brought electricity to his tiny village in Malawi.
The top United Nations climate negotiator has resigned following his failure to secure a comprehensive treaty at the Copenhagen climate summit. The World's environment editor Peter Thomson reports on the challenges ahead for climate negotiators.
In recent decades, scientists have documented serious threats to frog species across the globe. A study published by the journal Science suggests the world's lizards are also in peril. The World's science correspondent Rhitu Chatterjee has the story.
Safari tourism in Africa is changing. Tracking down big game is still central, but more and more tourists are also involved with conservation and helping local communities. Correspondent Jake Warga reports.
While most tourists in Thailand head for Bangkok, or the beaches of Phuket, the Geo Quiz is heading to one of Thailand's northern provinces, best-known for its ceramics factories, national parks, and especially its Elephant Conservation Center.
The threat to global tuna stocks increased this year as a result of the civil war in Libya. Fishermen took advantage of the chaos to plunder the spawning grounds of the tuna. Anchor Marco Werman speaks with the BBC's Richard Black.