Secretary of State Clinton tries to break the impasse at the Copenhagen climate summit by offering $100 billion a year for a decade to developing nations. Jeffrey Ball reports on how the offer was received in Copenhagen.
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television collide. The popular PBS KIDS GO! show is in its third season and it continues to inspire young scientists to explore futures in engineering. Nate Ball, the shows host, guides teams of college-age engineers through fast-paced assignments for real-world clients on the way to a $10000 c...
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