January 1, 1970 • 1h
Looks at the dangers (pollution, over fishing, loss of wetlands) threatening four of the world's major river systems — the Mississ...Read more
January 1, 1970 • 1h
Examines the problems confronting four of the world's mega-cities — New York City, Mexico City, Istanbul, and Shanghai. Teaching T...Read more
January 1, 1970 • 1h
Visits diverse farming communities in Zimbabwe, France, the United States and China to examine the worldwide problems of feeding a growing population.
January 1, 1970 • 1h
Discover the natural vegetation of nearly one-quarter of Earth's land surface, grasslands, in Kenya, South Africa, Argentina, Chin...Read more
January 1, 1970 • 1h
Shows how human health is dependent on that of the environment in Kenya, Peru, Bangladesh and the United States. Teaching Topics i...Read more
January 1, 1970 • 1h
Investigates the connection between environmental issues and political crises and increased hostilities in India/Bangladesh, South...Read more
January 1, 1970 • 1h
Explore how toxic pollutants affect environmental and human health in the arctic, USA, Mexico and Uzbekistan. Teaching Topics incl...Read more
January 1, 1970 • 1h
Discover the elegance of diversity and the rich tapestry of the natural world—a world shaped by people, by those who are strongly ...Read more
January 1, 1970 • 1h
Investigate what scientists call "the sixth great extinction of the world's animals" and what we are doing to stop it.
January 1, 1970 • 1h
Investigate why so many of our ocean's animals are disappearing. Case studies focus on global issues including climate change, sea...Read more