Istanbul is thinking of using the Bosphorus' river currents as an energy source.
Istanbul is thinking of using the Bosphorus' river currents as an energy source. Steve Brandt/Minneapolis Star Tribune/MCT
Istanbul is thinking of using the Bosphorus' river currents as an energy source. Steve Brandt/Minneapolis Star Tribune/MCT

As nations dither on climate change, big cities step up

November 23, 2010 03:38 PM

More Videos

  • The Cranberries' singer Dolores O’Riordan dies at 46

    Dolores O'Riordan, lead singer of Irish band The Cranberries, died suddenly on Monday in London. She was 46. The cause of death wasn't immediately available.