The windward side faces the prevailing, or trade, winds, whereas the island's leeward side faces away from the wind, sheltered from prevailing winds by hills and mountains. Here is only some characteristics.
The energy that can be renewed again and again is known as renewable source of energy. Example : water, sunlight, wind et cetera.
The energy cannot be created again,once destroyed is known as non renewable source of energy.
The energy obtained from coal is non-renewable.
Energy obtained from burning plant waste is renewable
Energy obtained from water spring inside the earth is renewable.
Energy obtained from natural gas is non renewable.