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 produced from a source that is not permanently depleted. Sunlight, wind, flowing water, geothermal heat and plants are examples of renewable energy resources.They can be produced today without damaging their ability to be produced in the future.rends in renewable energy production/consumption from 1950 through 2009. The quantity of energy produced from renewable sources has increased steadily over time. Most significant is the rapid growth in biofuels and wind during the past decade.