Solar energy is renewable, it is pollution-free, a kind of energy without destroying the environment, use of solar energy is convenient and environmentally friendly
Solar energy is a renewable resource, it is non-polluting, an energy does not destroy the ecological environment, convenient and environmentally friendly use of solar energy
Solar energy resources are renewable energy sources, it is no pollution, no damage to the ecological environment of a kind of energy, the use of solar energy is both convenient and environmental protection