Photovoltaics on the roof. Geothermal heating under-ground. Spiffy dual-flush toilets all about.
This wasn't the nature of our eco-mania.
Here are 50 of the best ideas -- tips from engineers, chemists, environmentalists, recycling experts, government agencies, medical professionals, appliance-makers, Master Gardeners and, of course, our trusty readers.
See article here
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