As globally recognized landmarks go, the Sydney Opera House is tough to beat. But the city of Melbourne has impressive features of its own. This program looks at the high life while going down under-exploring Melbourne's 300-meter Eureka Tower, the tallest residential building in the world and the most exclusive address in the southern hemisphere. Featuring interviews with architect Nonda Katsalidis and developer Benni Aroni, the episode provides...

As current sources of fresh water become increasingly inadequate to support the needs of North America below the Canadian border, the U.S. and Mexico are looking toward their northern neighbor for relief. This program examines the political and commercial ramifications of NAFTA on the bulk export of water, as well as initiatives to conserve and recycle fresh water in the Sun Belt and in northern Mexico. Former senator Paul Simon, environmentalist...

On six million acres in upstate New York, the Adirondack Park is by far the largest park in the lower 48 states - larger than Yellowstone, Yosemite, and Grand Canyon National Parks combined. Yet it is the only park on the continent in which land is divided almost evenly between protected wilderness and privately owned tracts, creating a pattern of ownership that maintains a delicate relationship between progress and preservation. Through the perspectives...