Cross-State Air Pollution Rule

本降低了80%。二氧化硫减排项目在2004年受到了挑战，引发了一系列事件，最终导致了2011年《跨州空气污染条例（英语：Cross-State Air Pollution Rule）》（CSAPR）的出台。在CSAPR框架下，全国二氧化硫交易计划由四个分别的二氧化硫和氮氧化物交易小组所取代。酸雨计划

Protection in Coal Mines." 互联网档案馆的存檔，存档日期2008-04-23. EPA fact sheet: Cross-State Air Pollution Rule (CSAPR) Bill Bigelow, "Got Coal? Teaching About the Most Dangerous

WATERSHEDSS: A Decision Support System for Nonpoint Source Pollution Control. Raleigh, NC: North Carolina State University. [2016-07-31]. （原始内容存档于2016-07-23）.  U

Subclinical responses in healthy cyclists briefly exposed to traffic-related air pollution. Environmental Health. Oct 2010, 9 (64): 64. PMC 2984475 . PMID 20973949

Administration Launches $3.5 Billion Program To Capture Carbon Pollution From The Air. DOE. 2022-05-19 [2022-05-19]. （原始内容存档于2022-07-11）.  Collins, Kaitlan