An exploration into the issue of race and how it determines physical well-being and defines social groups.
The program documents what is now the most threatened biological community in the world, the wetlands. It shows the effects of industrial development, levees, and dams in Illinois, Mississippi and Ontario and documents successful efforts to restore wetlands in both rural and urban areas.
The growing populations of pelicans and cormorants on the prairie lakes of Canada are blamed for the collapse of inland fishery.
A growing number of people are developing asthma, possibly caused by a combination of allergens and pollution.
Winter gathering of thousands of Bald Eagles north of Vancouver.
History of the nuclear power industry from the postwar days of fascination with the potential
of the power, through the era of protests in the 60's, the accidents of the 70's and 80's,
from Three Mile Island to Chernobyl, which have changed the public perception of nuclear power.
The wildlife in the Yellowstone mountainous region to the Yukon.
A look at the earthquakes that occur on the same day but a year apart in different parts of the globe.
The lions in the area of Ngorongoro Crater, east of Africa.
A look on reproductive hormones and the effects on humans and animals.
Doctors fear that overuse of antibiotics will lead to resistant bacterias.
An examination of the lives of songbirds in the northern forests and a look at the scientists who work to preserve their continued existence.