EH05530814
ADVANCES IN SCIENCE & TECHNOLOGY: ENVIRONMENT - ENVIRONMENT ADVANCES 3
"Poultry Power" - poultry droppings used as an inexpensive and renewable fuel source; "Quiet Motor" - newly designed, efficient motors save on electricity; "Viper" - a new kiln to improve charcoal production and the better use of local resources; "Baby Breather" - a canopy for baby carriages to protect children from air pollutants; "Peak Protection" - sandstone floors from abandoned cotton mills are used to save eroded country paths; "Swampy Joe" - a wetland harvester designed to harvest reeds without damaging the environment; "Sweetness and Light" - a bio-tech company is now turning plant waste into clean, efficient and renewable energy.
DVD
Intermediate, Junior High, Senior High, College, Adult
30 minutes
2004
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