Back to the resource library EARTHWORKS’ 2007 Annual Report March 23, 2009 | Share: Download A review of EARTHWORKS’ accomplishments in 2007. See All Related Resources Comments on Colorado Air Quality Permit Fees Comments on Allegheny County Board of Health EQT Leto Dehydrator Air Quality Permit Comments on Colorado’s Air Toxics Rules Filtered Tailings in Indonesia: The Catastrophic Failure of a Disruptive Technology