Sufficient, safe, clean energy supply is the basic guarantee for economic development and social progress. The development and utilization of renewable energy sources is an important measure to protect the environment, respond to climate change. The development and utilization of renewable energy is the use of local natural resources and human resources, to promote regional economic development is important. The current development cost is still high, mainly because most of the energy density of the renewable energy is relatively low. 5. clean renewable energy than traditional energy sources are added, and environmental protection.
In contrast, the traditional energy sources in the eyes of the people is often one of the sources of pollution, it causes a lot of environmental problems such as global warming, acid rain ...... it is non-renewable, do not meet the concept of sustainable development. Nevertheless, it does a low cost, high energy density advantages, it still accounts for a large percentage of today's energy composition.
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