Global-warming talk to broadcast over IPTV

Some 16,000 science classes will partake in a global-warming debate via the Earth Day Network using the new PowerTV Network over Internet Protocol television.

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<p><a href="http://www.physorg.com/news64598850.html">Global-warming talk to broadcast over IPTV</a></p> <p>Some 16,000 science classes will partake in a global-warming debate via the Earth Day Network using the new PowerTV Network over Internet Protocol television. </p>