Rengan Rajaratnam Pleads Not Guilty

March 25 (Bloomberg) -- Gigi Stone reports on today's top headlines. She speaks on Bloomberg Television's "Bottom Line." (Source: Bloomberg)
How Technology Can Help Combat Climate Change
20:53 - Christiana Figueres, executive secretary of the United Nations Framework Convention on Climate Change (UNFCCC), discusses the UN's call for investment in clean energy with Bloomberg's Cory Johnson on "Bloomberg West." (Source: Bloomberg)
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