Southern California's Ellwood Mesa, with nearly 80 acres of protected eucalyptus forest, is a refuge for the vanishing western monarch butterflies during the winter months. But the state's most recent drought has left the future of the forest in jeopardy.
A conflict with the Balinese government over a new resort brings to light the many issues Trump-branded properties have faced with environmental issues in the past.
Decades of conservation efforts have culminated in the giant panda's upgrade last year from endangered to vulnerable. But panda habitat is smaller and more fragmented than it was when the animal was first added to the Endangered Species List.
There's a growing body of evidence that humans have been modifying tropical forests for over 40,000 years. What can this history teach modern conservationists?