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- Dams hinder natural processes such as seasonal flooding and fish migration.
- Invasive species cost the United States $120 billion annually.
- Fertilizer runoff from farming raises nitrate levels in rivers, producing areas where marine life cannot survive.
- Today, 1.2 billion people are threatened by desertification of their environment.
- When forests get destroyed in Central Africa, it affects rainfall in Chicago.
- Most land suited for intensive agriculture is already under cultivation.
- More than half of humanity will suffer water shortages in the next 20 years.
- Soil is eroding at an alarming rate—some 37,000 square miles every year.
- Conservation can attract investment and support jobs.
- Without careful management, cattle can wreak havoc on landscapes.
- Money doesn't grow on trees.