A tale of two overkills

Reposted from: http://wattsupwiththat.com/2009/11/07/a-tale-of-two-overkills/

November 7, 2009 @ 9:25 pm

The pyramid of aluminum shown in the photograph figures greatly in our nation’s history. This once rare metal was so prized that it was placed into a national monument by a grateful nation. Can you guess where? Now, aluminum is so common, thanks to an electrical refining process and plentiful, cheap electricity, that we throw [...]