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More than 60% of the undocumented immigrants in the United States are from
George Perkins Marsh
A 19th-century American diplomat and environmentalist considered one of the precursors to the modern environmental movement.
Conservationists
Individuals or groups dedicated to the preservation and protection of the environment and wildlife.
National Wilderness System
a designation for preserving federal lands in the US to maintain their natural condition.
National Park System
A collection of natural parks managed by a governmental entity aimed at preserving natural and cultural resources for public enjoyment and education.
Q7: The life expectancy in the United States
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