United States

Sustainable transportation in the national parks

Seal range state policy and management review

Managing outdoor recreation

Ethics and climate change : a study of national commitments

Mexican wolf, canis lupus baileyi. Population viability assessment.

Navigating social-ecological systems : building resilience for complexity and change

Mud, mud : the potential of earth-based materials for Third World housing

Protecting the wild : parks and wilderness, the foundation of conservation

World Heritage sites and the extractive industries

Nature's trust : environmental law for a new ecological age

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