清洁能源:
1)减少二氧化碳等有害物质排放
2)减少煤矿和石油矿井
保护自然:
自然保护公园,保护生态平衡,尤其是濒危物种
限制污染:
规范工厂的生产行为,减少有害物质的排放
范文:
As governments gradually increase awareness on environment protection and the negative consequence of developing economy at the expense of environment, measures have been taken to reverse the trend of environment deterioration. In my mind, to support the research and development of clean energy is a better option compared with the preservation of natural places and legislation on pollution.