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Urban Harvest

Confronting climate change and poverty, a new crop of city farmers comes of age in Africa. Table of Contents | Digital Edition
Guardian Environmental Network

Improving energy efficiency of electric appliances is fine, but it obfuscates the much more important problem which is the fundamental inefficiency of electric equipment. Only where it brings strong conveniency advantages should we use electricity.
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The DOE fails us by not recognizing the reality of present day electric power production and the marginal response of that system to electrical loads. An excessive amount of energy is wasted in our fossil fuel power plants. Economic reality tells us that this will be the governing fact far into the future. The far cheaper system is coal fired power generation, and that can not changed significantly in the real world of our industrial economy.
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So the benefits of heat pumps are far over-rated. For CO2 emissions, in comparing heat pumps to natural gas heating, these options come out about even. Thus, a large subsidy to heat pumps is very inappropriate.
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A far more beneficial program would be to encourage shifting all appliances that require heat from electricity to natural gas equipment. Cooking appliances and clothes driers are the main opportunity to make big CO2 reductions.