You have dedicated your career to studying stream ecosystems and maintaning the health and biodiversity of freshwater environments. You understand the complexity of the abandoned mine drainage issue and believe that the best possible solution must be reached to remediate the damage. Your job is to research and analyze the effect that AMD is having on river ecosystems and make suggestions for the least intrusive and most effective clean up solution.

Use the following resources to establish your position concerning the treatment of abandoned mine drainage:

• The science of abandoned mine drainage
• Abandoned coal mine drainage in Pennsylvania
• Graphs outlining the AMD problem in Pennsylvania
• History of coal mining in Pennsylvania
• Laws and regulations concerning coal mining
• Impacts of AMD on wildlife
• Passive treatment technologies - An overview of the passive treatment systems that are available.
• Active treatment technologies - An overview of the chemicals available to treat AMD.
• Remining coal
• Financial incentives for remining abandoned coal mines
• President Bush proposes cuts in mine cleanups
• The scope of the AMD problem in Pennsylvania

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