In 2011, the United Nations Environment Program published a report comparing measures targeting soot particles and other so-called “short-lived climate pollutants” to measures reducing CO2, which showed that the former would achieve a more rapid decrease of global warming in the coming decades. The proposal in this report is now gaining support among governments in many countries and may become an important complement to measures to limit CO2 emissions of.
2011年，联合国环境计划署发表了一份比较烟尘颗粒物及其他所谓“短效气候污染物”的减排和二氧化碳减排措施的报告，显示前者能够在未来几十年内更快地缓解全球变暖现象。这份报告中的建议正得到越来越多国家政府的支持，并可能成为限制二氧化碳排放的重要补充措施。