Genres
- Environmentalism
- Environmental policy, united states
- Radicalism
- Right and left (political science)
- Ideology
- United states, politics and government, 20th century
- History
- Environmental policy
- Politics and government
- HISTORY / Modern / 20th Century
- NATURE / Environmental Conservation & Protection
- POLITICAL SCIENCE / Political Ideologies / Conservatism & Liberalism
- Political aspects
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About the authors