sustainability

Politics

Saving a river along the US-Mexico border

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.

Politics

US could tap Canada's oil supply

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.

Politics

Science Forum: Global fisheries decline

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.