Green City Times is a resource for the exploration of sustainability, renewable energy, sustainable mass transportation, energy efficiency, urban planning, and green building. Gain insight into renewable energy including: hydroelectric (from dams, waves, currents, and tides), solar (PV and solar thermal), wind (and offshore wind farms), geothermal, as well as biomass (and biofuel). Green City Times also features articles on the latest sustainability technology. Find facts about everything from electric cars to recycling to carbon taxes. You will discover information on many of the world's most sustainable cities.