Australia's vast blue mountains receive international protection. Nearly one-third of domestic animal breeds threatened by extinction. Climate change talks hurt by hard-line partisan divisions. Clinton orders protection of vast expanse of coral reefs. Ozone hole may be gone in some 50 years, say scientists.
Study indicates how to protect rare wildlife by protecting endangered species.
Climate change plagues the island states of Micronesia. Hotel chain looks to help restore cottonwood forest. Clean energy needed in wake of breakdown in climate change talks. Eco-friendly timber companies form alliance. Australian beaches closed in response to shark attack.