The definition of urban is relating to a city or of a city with a population of at least 50,000 people. An example of urban is the nature of Manhattan. urban. of or characteristic of the styles and culture of the inner city, esp. of the black inner city: urban music, fashions, etc. urban.
Renewable energy is generally defined as energy that comes from resources which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.enewable energy resources exist over wide geographical areas, in contrast to other energy sources, which are concentrated in a limited number of countries.
Renewable energy is energy from naturally replenished sources. Unlike fossil fuels, which are exhaustible, renewable energy can be used again and again.In 2010, about 10% of U.S. electricity was generated from renewable resources. Some of the most common renewable energy sources are solar, wind, geothermal, hydropower and biomass.Following is a brief description of each:enewable energy is energy from naturally replenished sources. Unlike fossil fuels, which are exhaustible, renewable energy can be used again and again.