Pig in clover: how the world's smallest wild hog was saved from extinction

Invasive weeds are ruining the habitat of New York's wild bog turtles. In Hudson River Valley, domestic goats and cows are being used to save bog turtles by grazing on this foreign weed. So far, the plan seems to be working as the turtles have shown signs of not just returning but also laying eggs in the area.

Growing wolf populations in Wyoming are forcing the U.S. Fish and Wildlife Service to make hard decisions about culling the endangered species in order to preserve local wildlife and livestock.

The fate of the Southeast's longleaf pine forests, and the endangered woodpeckers that depend on them, is in jeopardy. Fort Bragg, a station of the US military, is trying to save their local environment.

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.

Wolves and ranchers have a long history of conflict. Today, wolves are back in Oregon, and ranchers are learning how to coexist with them, using an array of nonviolent techniques to protect both their herds and the predators.

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.

A robust population of grizzly bears can be an indicator of healthy land; however, the bears also can destroy grain bins, consume vegetation, and kill livestock. Ranchers work with the Canadian government and local conservation groups to protect their resources with bear-proof grain bins and electric fences.

In different regions of the United States, beavers are considered a predatory pest and have been subjected to lethal trapping by Wildlife Services. However, Methow Valley in Washington has initiated a project that saves beavers by capturing them and taking them to places where they can help revitalize natural resources and the food chain. The Methow Valley Beaver Project has demonstrated that their efforts have provided effective against climate change and reshaping the land.

Ivory poaching has decreased the number of live elephants by one-fifth in the past decade. Although Kenya has ratified laws that make ivory poaching and trafficking punishable, identifying smugglers at border security is still a challenge. Airports in Kenya and Tanzania have employed dogs to sniff out ivory hidden in transit with a high success rate of 18 busts in four months at the Kenya location.

Bucking the worldwide trend, Nepal continues its successful fight against poaching, thanks to a multilayered system of information gathering, enforcement, and swift justice.