In the 20th century, the industrialcivilization has grown by leap andbounds with fuels like coal, petro-leum, and natural gas as its power. Hu-man beings, however, are plagued withtwo big problems - energy exhaustionand environmental pollution - whenenjoying the excellent material lifethanks to the modern civilization. Theyare gradually developing and adoptingnew energy with the hopes of solvingthe two problems and achieve a sustain-able economic growth.
For the moment, the whole worldis undergoing an energy revolution, inwhich the key points included the shiftfrom irrecyclable fossil fuels to newand recyclable energy, the increase ofenergy effectiveness in all walks oflife, and energy saving. Today, new andrecyclable energy being studied anddeveloped include solar energy, windpower, terrestrial heat, biomass energy,ocean energy, hydrogen energy and soon.
China has made headway in theutilization of various new energy. It hasmade the best use of small-sized hydro-power with totally commercialization.The country has become the world'sbiggest solar water heater producer withmore than 500 professional companies,with production value of over RMB Ibillion yuan and a combined turnoutequal to the total by other countries.