为了减少污染，保护环境，使经济走上可持续发展的道路，近年来许多发展中国家积极开发、利用可再生能源，并且取得了可喜成就。巴西、中国和印度等是它们中的突出例子。数十年来，对环境无害的可再生能源，比如太阳能、可燃烧的有机物质、风能和地热能等，没有受到发展中国家? In order to reduce pollution, protect the environment and put the economy on the path of sustainable development, many developing countries have actively developed and utilized renewable energy sources in recent years and have made gratifying achievements. Brazil, China and India are outstanding examples of them. For decades, environmentally friendly renewables, such as solar energy, combustible organic matter, wind and geothermal energy, have not been affected by developing countries?