PBS
Pbs Teachers: Mercury Emissions: "Cap and Trade" Game
Explain why mercury is harmful to humans, and discuss how government encourages industries to reduce mercury emissions. Examine the pros and cons of emissions credit trading and discover how the free market can be used to reduce emissions.
Khan Academy
Khan Academy: Types of Market Oriented Environmental Tools
Read about the three main types of market-oriented regulation, including pollution charges, marketable permits, and better-defined property rights
Khan Academy
Khan Academy: The Tradeoff Between Economic Output and Environmental Protection
Unfortunately, it's not possible for a country to maximize both its environmental protection and its economic output. Each country must make a decision about how the two goals should be balanced and how to achieve that balance.
Khan Academy
Khan Academy: The Benefits and Costs of Us Environmental Laws
Read about specific examples of environmental laws in the United States.