当前我国是世界上大气污染物排放量最大的国家之一。我国现有实行环境统计的300多个城币中，70％以上处于或者超过了大气环境质量三级标准。夜空中已难得一见眨眼的星星。治理大气，能源是关键。清华大学核能技术研究院院长吴宗鑫研究员说：21世纪中叶中国将努力达到中等发达国 At present, our country is one of the countries with the largest air pollutant emissions in the world. More than 70% of the more than 300 existing city-level statistics on environmental statistics in China are at or above the Grade III standard for atmospheric environmental quality. The sky has a rare blink of an eye. Governance the atmosphere, energy is the key. Wu Zongxin, dean of the Institute of Nuclear Energy Technology at Tsinghua University, said: China will strive to reach the mid-developed