September 30, 1991

SCHALLER – Giant Pandas

The Panda has become a familiar symbol for all endangered species. Although strict laws protect it, The Panda is still threatened with extinction by poaching.

September 27, 1991

SCHALLER – Predators

To save an ecosystem, you must understand the role of each inhabitant, and the relationship between predators and prey.

September 26, 1991

SCHALLER – Mountain Gorillas

Dr. Schaller describes his experiences as one of the first scientists to study gorillas in the wild.

September 25, 1991

FISH – Commercial

Recent studies suggest that no fishing area in the world is unaffected by pollution.

September 24, 1991

FISH -Endangered Species

In North America, an unprecedented extinction rate makes scientists fear for the future of many freshwater fish.

September 23, 1991

GARBOLOGY – What’s in a Landfill?

What do Americans throw away? You might be surprised to learn the top three categories of garbage in a landfill.

September 20, 1991

GARBOLOGY – Landfills Are Forever

You can throw out your garbage, but does it ever really go away?

September 19, 1991

GARBOLOGY – Paper

Weren’t computers supposed to make paper obsolete?

September 18, 1991

EXPORTING ENVIRONMENTALISM

When working overseas, western environmentalists need to consider local traditions.

September 17, 1991

YELLOWSTONE – Animals

After the Yellowstone fires, what happened to the animals in the park?

September 16, 1991

YELLOWSTONE – After the Fire

The Yellowstone fires of 1988 brought the Park Service’s let it burn policy into question.

September 13, 1991

ENDANGERED SPECIES

What’s the value of saving plants and animals that are threatened by extinction?

September 12, 1991

SCHALLER -Watcher in the Wild

What are the challenges of observing wild animals in the field? A world-famous conservationist shares his experiences.

September 11, 1991

BEARS -Keeping Track

Radio transmitting collars help scientists keep track of Maine’s black bear population.

September 10, 1991

BEARS

Every year, scientists journey deep in the Maine woods to study bears hibernating in their dens.

September 9, 1991

ELECTRIC VEHICLES -Charge Her up, please

Cleaner-fuel vehicles may provide more than environmental benefits.

September 6, 1991

ELECTRIC VEHICLES – The Cleanest Fuel

A vehicle from the past may become the transportation of the future.

September 5, 1991

WILDLIFE STERILIZATION

When wild animals adapt too successfully to urban environments, problems often ensue. A wildlife management organization has come up with an unorthodox means of controlling the beaver population in the Denver area.

September 4, 1991

VOLCANOES AND GLOBAL WARMING -A Veil of Dust

Volcanic eruptions may be masking the effects of global warming.

September 3, 1991

VOLCANOES AND GLOBAL WARMING -The Chilling Effect

The Tambora volcano of 1815 was responsible for the year without a summer.

September 2, 1991

VOLCANOES AND GLOBAL WARMING – Climate Change

When volcanic eruptions are powerful enough, they can influence global temperatures.