California’s largest lake is shrinking and migratory birds are disappearing as its water is now too salty for fish — an environmental disaster and a health hazard for humans.

Protected by federal law, wild horses and burros in the West are breeding out of control on public lands, damaging habitats and competing with wildlife for food and water – a problem that is now a crisis that needs a solution. With new water rights and a major irrigation project under construction, Arizona’s Gila River Indian Community is reviving an agricultural heritage that sustained them for centuries before white settlers arrived. A pilot project in Minnesota for immigrant families shows how small-scale sustainable farming with poultry and perennial crops can provide extra income with little investment of time.

Where the Colorado River approaches the Sea of Cortez, conservationists re-plant forests and promote wildlife habitat to revive the Delta after decades of neglect and desertification.

To protect one of Arizona’s last perennially flowing rivers, smart stewardship minimizes irrigation and clears invasive plants.

Landowners in Pennsylvania are managing their forests to provide better habitat for declining species of songbirds like the golden-winged warbler.

Landowners in Pennsylvania work with government support to provide critical forest habitat for threatened bat species.

Where the Colorado River approaches the Sea of Cortez, a new agreement between the U.S. and Mexico shares the river’s water during times of drought and surplus and dedicates water to the environment, restoring flows and habitat along the river and at the Delta. Conservationists are working hard to re-plant forests and promote wildlife habitat to revive the Delta after years of neglect and desertification. On the leading edge of agricultural technology, young farmers are using data to minimize costs, improve yield and increase profits; a fourth-generation farmer in Illinois shows how it’s done.

To protect one of Arizona’s last perennially flowing rivers, conservationists practice smart stewardship to minimize irrigation and clear invasive plants. Taking advantage of open areas in crowded cities, urban farmers are growing healthy foods and making profits. Studying iconic sandstone arches in the Southwest, researchers learn how these formations vibrate and gather data to help understand their architectural health.

Commercial fishermen in the Gulf of Mexico are now using individual fishing quotas to manage their catches of red snapper, a fish population that has made a remarkable recovery after years of overfishing. With federal government support, landowners in Pennsylvania are managing their forests for diversity, providing better habitat for declining species of songbirds like the golden-winged warbler. In Georgia, a program on Lake Lanier for school kids teaches them the importance of water quality.

Rafting and fishing in the Rio Grande Del Norte National Monument, curious journalists learn the truth about monuments that protect national treasures and a wide range of public uses.