June 28, 1991

EARTH DAY – An Environmental Audit

If every American replaced their refrigerator with the most efficient model on the market today, how much energy would be saved?

June 27, 1991

EARTH DAY – The Pledge

Denis Hayes, chairman of Earth Day 1990, believes that it’s time for people to integrate environmental values throughout their whole lives.

June 26, 1991

EARTH DAY – The Green Decade

The founder of Earth Day outlines participatory events around the world.

June 25, 1991

RECYCLING – Markets

New markets need to be developed, if recycling is ever going to pay for itself.

June 24, 1991

RECYCLING – Public Support

The most critical factor in any recycling program is public cooperation.

June 21, 1991

AMAZON, BURNING OF THE – Rate of Change

Will global warming change the equatorial climate too quickly for the rainforest to adjust?

June 20, 1991

ICEBERGS – Global Warming

How will global warming affect the Antarctic? Will more icebergs be formed? Will the polar icecaps melt?

June 19, 1991

ICEBERGS – Calving

A roar and a tremendous splash herald the birth of a new iceberg, as it calves from an ice shelf.

June 18, 1991

SOIL DECONTAMINATION, ELECTRO-ACOUSTIC

A combination of electricity and low frequency sound is helping scientists to separate pollutants from soil at hazardous waste sites.

June 17, 1991

BIOSPHERE – The Web of Life

The scientists who will spend two years in the self-contained world of Biosphere Two, will be accompanied by a wide range of plants and animals.

June 5, 1991

BIOSPHERE – A Microcosmic World

Eight environmental scientists are preparing to spend two years in a large, self-contained world. An ocean, desert, rainforest and four other mini-ecosystems make Biosphere Two a microcosmic world.

June 4, 1991

FORESTERS OF THE AMAZON – Diversification

Amazonian rainforest dwellers have developed a wide range of agricultural techniques, to meet ever-changing climactic conditions.

June 3, 1991

AMAZON, PORTRAIT OF THE 1 – A World of Sound

Deep in the heart of the Amazonian Rainforest, the jungle is alive with sound.