It's time to green this old (White) House - again

(AP) -- President Barack Obama will find out two things as he studies how to make the White House more environmentally friendly:

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<p><a href="http://www.physorg.com/news157533249.html">It's time to green this old (White) House - again</a></p> <p>(AP) -- President Barack Obama will find out two things as he studies how to make the White House more environmentally friendly:</p>