Month: August 1992
Pulse of the Planet Daily Audio
BAKA – Termites
For hunter-gatherers, insects are often an important source of protein. Every year, the Baka use an ingenious method to harvest these rainforest delicacies.
August 28, 1992BAKA – People of the Rainforest
The Baka use their knowledge of plants to help them catch fish.
August 27, 1992HIPPOS – Echolocation
There’s evidence that hippos, distant relatives of both dolphins and whales, may also use sound to echolocate.
August 26, 1992HIPPOS
Hippos produce sounds that especialy suited for simultaneous transmission both in the air and through the water.
August 25, 1992CALIFORNIA WATER – Agriculture
In California, water for agriculture has been cheap and plentiful, but a recent drought and continuing shortage may be changing the status quo.
August 24, 1992TROPICAL WOOD – New Varieties
New kinds of exotic hardwoods, sustainably harvested, offer a challenge to woodworkers, and a means of prolonging the life of the rainforest.
August 21, 1992TROPICAL WOOD – Marketing Diversity
In the process of harvesting a few marketable species of hardwoods, much valuable wood is wasted, not to mention the harm to the rainforest ecosystem.
August 20, 1992TROPICAL WOOD
The way wood is harvested has a direct impact on the rainforest’s survival.
August 19, 1992CALIFORNIA WATER – Use
Reducing water allocation for agriculture, won’t necessarily make it available for California’s cities.
August 18, 1992CALIFORNIA WATER – The Peripheral Canal
How to move water through the Sacramento-San Juaquin river delta is one the major challenges facing California.
August 17, 1992PLANT IMMIGRANTS – Crowding Out Diversity
When plant habitats are disturbed, native species tend to be crowded out by aggressive weeds, threatening the diversity of the ecosystem.
August 14, 1992PLANT IMMIGRANTS
Tumbleweeds, dandelions and other plants now common to the American landscape, have actually been brought here from overseas.
August 13, 1992CALIFORNIA WATER- Storage
In the long run, solving California’s water problems may depend upon storing and delivering excess water to where it’s needed.
August 12, 1992CALIFORNIA WATER- Conservation
A broad spectrum of conservation measures is helping to lessen the effects of California’s water shortage.
August 11, 1992CALIFORNIA WATER
A decreasing supply and an increasing demand have prolonged California’s water shortage.
August 10, 1992BIOMASS FUEL – Sweden’s Choice
Having decided to phase out their nuclear power plants, Sweden has been searching for new energy sources.
August 7, 1992BIOMASS FUEL – Alcohol Gasoline
Ninety percent of the new cars sold in Brazil run purely on alcohol fuel.
August 6, 1992BIOMASS FUEL
Sugarcane pulp and other forms of organic matter can be used as a ready source of fuel for generating electricity.
August 5, 1992TOXIC SHIPMENTS – The Waste Trade
It’s often cheaper to ship hazardous waste overseas, than to dispose of it at home.
August 4, 1992TOXIC SHIPMENTS
Every year, tons of hazardous wastes are shipped abroad by the United States and other industrialized nations.
August 3, 1992SPACE POLLUTION – Electromagnetic Radiation
Orbiting nuclear reactors have been posing a variety of problems to space scientists.