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| 一個主題: Home > Portal Themes > Natural Resources > Renewable Energy > Conservation |
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West is best Tips for reducing home heating and cooling costs by strategically planting shade trees from the Minnesota Department of Natural Resources. http://www.dnr.state.mn.us/treecare/energy/strategies.html- 20.4KB |
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Planting strategies for energy conservation In Minnesota, strategically placed shade trees can reduce an air conditioning bill by nearly 25 percent and a windbreak can reduce annual fuel bills by up to 20 percent. http://www.dnr.state.mn.us/treecare/energy/index.html- 18.0KB |
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