New York City has disclosed over 170,000 pages of previously restricted documents detailing air quality and health risks following the September 11 attacks, revealing internal discussions about environmental hazards and possible legal liabilities. The newly released records suggest city officials were aware of concerns related to contamination and its long-term effects, though the full scope of their knowledge remains unclear. Experts and affected communities may now scrutinize the files for accountability and transparency. The disclosure follows years of public pressure for greater access to government records tied to the disaster’s aftermath.


New York City released about 170,000 pages of documents related to post-9/11 air quality and health risks on Tuesday — a trove of paperwork within which some notes suggest city officials knew of the potential environmental dangers and legal exposure in ...