The USA Energy Department website http://www.energy.gov is a portal to your tax dollars at work, doing original research in leading edge, start of the art, technology related to many forms of energy usage with in the country. Household cost savings is one channel of research itemized on this page. To see the full outline with links to the scientist's web page that explain each technology click on the link below.
Ballona Lower Wetlands has levees. This presentation provides how and why they work for us.
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