Opportunity and challenge of RE lamps

摘要

Environment protection is one of the hot topics today. Global warming,glaciers melting,rising of sea-levels and species extinction have aroused high concern of the world.People's living environment is being ruined severely at a surprising speed.How to take effective measures to protect our environment and recover the destroyed environment is a key issue to be discussed.Loving and preserving the earth is the responsibility of all human beings.