Green coastal heath overlooks the turquoise seas of the Southern Ocean Vast blue ocean

Green coastal heath overlooks the turquoise seas of the Southern Ocean Vast blue oceanGreen coastal heath overlooks the turquoise seas of the Southern Ocean Cape Otway National Park, Victoria, Australia.

Wildebeests march across the plain at sunset under a stormy grey sky

Nairobi National Park

International efforts have been underway for years to reverse this trend

Looking out over a valley

Rising flood waters engulf farmland reducing grazing for livestock

A village tribesman poles a mekoro through a wetland swamp at sunset

the Sumatran tiger

A teenage African mother awaits a HIV AIDS blood test in a hospital

A silhouette of a maintenance crane atop the Eureka Tower at sunset

Mount Conner's table-top plateau is visible far across the arid plain

Gombe Stream National Park Tanzania

An endangered shy albatross runs across water to take flight