||Green City Times is a resource on sustainability, urban planning, renewable energy, sustainable mass transportation, energy efficiency and green building. Find facts on renewable energy including: hydroelectric (from dams, mills, waves, currents and tides), solar, wind, geothermal, biomass (and biofuel). You will discover information on 7 of the world's most sustainable cities. Green City Times also features articles on the latest sustainability technology. Please feel free to contact us.