Beaver believers: Native Americans promote resurgence of 'nature's engineers'

By releasing fish into the Chicago River, the city of Chicago aims to help clean up its ecosystem, as the fish hopefully will eat the river's excess algae.

Warming water has led to the collapse of coral reef systems in the western Indian Ocean, essential to fisheries, protecting shorelines, and reducing beach erosion and sea-level rise. Marine scientists from Nature Seychelles, as part of an international project to protect and restore the reefs, are promoting varieties of coral that they have found to be resistant to the rise in temperature.

North America’s protected areas are too small and scattered to sustain wildlife, so conservationists are fighting for Yellowstone to Yukon, a continent-wide network of protected areas which would preserve lifesaving migration routes.

Native American student graduation rates are much lower than that of any other demographic. The Red Cloud school teaches students on a reservation in South Dakota about the Lakota history to empower the kids and encourage resilience.

After a devastating cyclone changed the nature of local soil, NGOs preserved Indian rice crops by reintroducing traditional rice varieties that can be cultivated even in salt-ridden earth. Although some first met this idea with skepticism, many farmers have now adopted the practice after witnessing the success of the crops.

Property rights, circumscribed jurisdictions, and conflicts with neighbors exacerbate Native American efforts to restore tribal land and resources. Some tribes have found success by tapping into a trend of support from the government and conservationists.

With a global food crisis, farmers look for how to get long-term high yields out of difficult farmland. In Oaxaca, Mexico, farmers farm like a forest, eat low on the food chain, restore damaged land, and have reverence for the planet.

Immigrants from Laos farming in California are using traditional knowledge and small-scale farming to make farming economically viable. While Hmong farmers face cultural challenges, they are looking to sustain and expand their businesses to new markets.

New water management technology implemented along the Columbia has significantly helped the fish population - specifically salmon - return to healthy numbers and has restored much of the community and industry that revolves around the river, including for native peoples.

There are only five northern white rhinos left in existence - all in captivity and unable to breed. Researchers work to identify the most valuable solution to rhino poaching in order to prevent the animal from going extinct.