Tue, 28 Apr 2009 06:22:12 CDT
It can be argued that - capital investment involved in hydro electric energy usually makes it impractical for small scale installations - ground source (geothermal) energy requires large amounts of real estate - wind turbines have a negative impact on the landscape - the cost of photo voltaic panels is prohibitive making payback times unacceptable - even biomas, which is carbon dioxide neutral,...
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