Objective: Describe three alternative energy technologies.
One alternative is river current electrical generation, where the river is really swift and dependable, could be a great alternative energy technology. But drift wood is a problem, as it needs to keep clear to keep running. (Demientieff)
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Objective: Describe two forms of energy-efficient transportation.
Developing diesel motors to be more fuel efficient would be a good option. People could also use dogs in the winter in villages, but it takes a lot of time and money to run teams and they need a lot of fish to feed dogs. Sometimes can’t get enough fish to feed dogs in winter – because regulations tell you can’t fish at certain times or have to limit amount. Bureaucracy is interfering with the native way of doing things. (Demientieff)
In This Section:
- Understanding Our Environment
- The Environment and Society
- Economics and International Cooperation
- Statistics and Models
- Making Informed Decisions
- Freshwater and Marine Ecosystems
- How Populations Change in Size
- How Species Interact with Each Other
- Land Use
- Land Management and Conservation
- Feeding the World
- Crops and Soil
- The Geosphere
- Mineral Exploration and Mining
- Energy Resources and Fossil Fuels
- Nuclear Energy
- Renewable Energy Today
- Alternative Energy and Conservation
- Biodiversity at Risk
- Studying Human Populations
- Changing Population Trends
- Reducing Solid Waste
- The Atmosphere
- Air, Noise, and Light Pollution
- Atmosphere and Climate Change
- The Importance of the Individual