What is the key concept for this section? Describe the roles of grassroots and mainstream environmental organizations and give an example of each type of organization. What is a global policy network?...

What is the key concept for this section? Describe the roles of grassroots and mainstream environmental organizations and give an example of each type of organization. What is a global policy network? Give an example. Describe the role and effectiveness of the Natural Resources Defense Council (NRDC) in the formation of U.S. environmental policy. Give two examples of grassroots environmental groups and of how they can bring about change. How does the story of Chattanooga’s transformation illustrate the potential effectiveness of citizen groups in affecting urban environmental policy? Give two examples of how students have played successful roles in affecting environmental policy on their campuses (Core Case Study).