Other useful resources:

• Cement Kiln Portal
• Recycling or Disposal? -- Hazardous Waste Combustion in Cement Kilns: An Introduction to Policy and Legal Issues Associated with Burning Hazardous Waste in Cement Kilns (1995 American Lung Association report)
• Energy Use in the Cement Industry in North America: Emissions, Waste Generation and Pollution Control, 1990-2001

Groups opposing cement kilns and the use of cement kilns for waste incineration:

• Colorado Citizens Campaign - CEMEX Lyons Cement Plant (Lyons, Colorado)
• Downwinders at Risk - TXI (Midlothian, Texas)
• Friends of Hudson - challenging tire burning at LaFarge's Ravena Cement Plant (Ravena, New York)
• Montanans Against Toxic Burning -- Holcim Trident cement plant (northeast of Three Forks, Montana)
• Citizens Against the New Kiln (Padeswood, Flintshire, UK)

http://www.energyjustice.net/cementkilns/