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.
If the energy can be made again that means that the energy is renewable, and if it canât than itâs nonrenewable. Examples: Solar and wind can easily be remade in small periods of time, categorizing it in the group of renewable energy. Ethanol from corn and biomass from plants are also sources of renewable energy.