February 26, 1993

MALARIA AND COCONUTS

To stop the spread of malaria, scientists are looking at a biological way of controlling its carrier.

February 25, 1993

BISON – Hunting

Is hunting the slow-moving bison a justifiable way to manage its population?

February 24, 1993

BISON – Roaming Free?

How do you manage a wandering wildlife herd that doesn’t recognize private land?

February 23, 1993

EXCHANGING POLLUTANTS

In the Phillipnes, a new exchange system is being successfully developed that helps industries recycle their waste.

February 22, 1993

TRAP OXIDIZERS

Thanks to a recent invention, a growing number of buses in New York City are running cleaner.

February 19, 1993

CLEAN AIR ACT – Impact On Our Cities

Transportation authorities are looking to technology to keep them in compliance with recent environmental regulations.

February 18, 1993

CATERPILLARS – Symbiosis

A small-scale example provides a glimpse of the many symbiotic relationships existing in a rainforest.

February 17, 1993

CATERPILLARS – Interspecies Communication

For its own protection, one species of caterpillar produces a call for help.

February 16, 1993

ACOUSTIC CENSUS – Analyzing Our Impact

Using sound, scientists are monitoring the effects of humans on whales.

February 15, 1993

BOWHEAD WHALES

The Bowhead Whale lives in an underwater jungle of sound.

February 12, 1993

ACOUSTIC CENSUS

Using sound, scientists have develped a new way to count Bowhead whales.

February 11, 1993

WASTE OIL – Recycling

When recycling used motor oil, there are many options and challenges.

February 10, 1993

WASTE OIL

What spills 185 million gallons of oil a year in the US? The answer may surprise you.

February 9, 1993

IVORY-BILLED WOODPECKER – Habitat

Old-growth forests in the US are disappearing, and with them, this symbol of American wildlife.

February 8, 1993

IVORY-BILLED WOODPECKER

A scientist searches for the near-extinct Ivory-Billed Woodpecker.

February 5, 1993

BIOENGINEERING – Little Earth

A former NASA scientist has brought some space-age ideas down to earth.

February 4, 1993

NATURAL AIR FILTER

A new filtration system uses houseplants to help purify the air.

February 3, 1993

ARTIFICIAL WETLANDS

Manmade marshlands filter water naturally.

February 2, 1993

NATIONAL PARKS

Our National Parks are being overburdened with too many visitors.

February 1, 1993

NILE, THE

The longest river in the world is being altered by both natural and man-made influences.