Now our whole economy has met with the big questions from the energy, such as the cost for energy, the environment with our energy generating ways. We are looking for new energy now. And we have found many kinds of green energy (renewable energy, alternative energy).
The common green energy (renewable energy, alternative energy) includes:
anaerobic digestion,
geothermal power,
wind power (wind energy),
small-scale hydropower,
solar energy (solar power),
biomass power,
tidal power,
and wave power fall
Wind energy is popular in the areas which are rich in wind resouces. And solar power is becoming more and more popular. hydropower is not perfect because it still brings some problems, such as environment effect, weather.
In fact no green energy (renewable energy, alternative energy) is perfect. Any kinds of those new energy have one or more questions. What's the dominont green energy in the futher? What's your opinion?
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