Energy loss, we don't know when to can be we ran out, is twenty years, for forty years, one thousand or one hundred years later, this is an open question, but if we continue in this waste, is bound to speed up the deadline. So we're going to pursue energy conservation and environmental protection of life, in daily life, can have energy saving, energy saving for the energy consumption of the largest city street lamp, the us is the use of energy-saving scenery complementary street lamp. To say the most can reflect the energy saving lamp is the scenery complementary street lamps, are truly achieve energy conservation and environmental protection, to say it the use of energy is the application of solar and wind power, with power grid without external power supply, which can be seen scenery complementary street lamp is made of renewable energy is converted to electrical energy, so as to reach the effect of energy saving, at the same time also can reduce investment scenery complementary street lamp price. And scenery complementary street lamp without external power supply, there is no need for consumption of standard coal, it won't produce carbon dioxide, sulphur dioxide and so on these harmful gases to pollute the environment, thus reducing the pollution to the environment, give people a clean and safe living environment.