Ecology

Examines a number of primary environmental concepts: the carbon cycle, the hydrologic cycle, and the food chain. Learners visit a man-made ecological habitat, and hear from its scientists.

Paths Of Pollution

Defines and explains the four mediums - air, water, soil and biota (living material)-and presents a case study that demonstrates their interaction. Air - Examines the environmental threat to the thin band of supporting oxygen in the atmosphere around Earth. Learner’s study the treatment of emissions from coal burning plants and look at the effect of fossil fuels on the air. The episode also highlights the application of stationary and mobile fuel cell technology.

Air

Examines the environmental threat to the thin band of supporting oxygen in the atmosphere around Earth. Learner’s study the treatment of emissions from coal burning plants and look at the effect of fossil fuels on the air. The episode also highlights the application of stationary and mobile fuel cell technology.

Hazardous Materials

Surveys the use of hazardous substances and the ramifications of their illegal disposal into the environment.

Occupational Safety And Health

Depicts the struggle to improve workplace safety by looking at coal miners, scientists developing rocket engines, an industrial hygienist at a Boeing facility, and an OSHA safety inspection at a machine shop.

Waste - Part II

Continues the exploration of such issues as environmental justice, the importance of materials recycling, and the problems of civilian nuclear waste, DDT and other hazardous waste materials.

Sustaining Earth

Introduces a trend setting chain of factories in Denmark that use waste from one industry as raw material for another (industrial symbiosis). Viewers will also visit EcoVillage in Ithaca, New York.