Learn about EPA enforcement actions that reduce air pollution from sources ranging from power plants to vehicle engines.

Read about how we safeguard communities by reducing waste and chemical risks, and by cleaning up contaminated sites.

Find out how we protect America's waters by enforcing the Clean Water and Safe Drinking Water Acts.

Learn how we fight crime by investigating deliberate violations of environmental laws.

• The basics of enforcement and how the process works 
   
• National Enforcement Initiatives and how they address the pollution problems affecting communities 
   
• Enforcement cases and settlements from around the country 
   
• Enforcement data and results 
   
• Federal facility enforcement 
   
• Policy, guidance and publications