作者：Amelia Rejek 7 年以前
254
Renewable Sources of Energy
Renewable Sources of Energy
Wind energy
widely distributed, clean, produces no greenhouse gas emissions durning operation
use of air flow through wind turbines to mechanically power generators for electric power
Solar energy
active solar techniques include the use of photovoltaic system to harness the energy
radiant light and heat from the Sun that is harnessed using a range of ever-evoling technologies
Renewable energy is energy that is collected from renewable resources, such as sunlight, wind, rain, tides, waves and geothermal heat
Geothermal energy
originates from the original formation of the planet
heat energy generated and stored in the Earth
Hydropower
power which may be harnessed for useful puropses
power derived from the energy of falling water or fast running water
