Athabasca Oil Sands, Alberta, Canada
Athabasca Oil Sands, Alberta, Canada

One of the world’s largest reserves of oil sits under the boreal forest of northwestern Alberta, Canada. The deposit covers about 142,200 square kilom...

Cougar Creek Fire, Washington, USA
Cougar Creek Fire, Washington, USA

Wildland fires can leave behind scorched mountainsides with no trees or other vegetation to stop rain-driven mudslides or dangerous debris flows. When...

Wyperfeld National Park, Australia
Wyperfeld National Park, Australia

These images show Wyperfeld National Park, Victoria, in southeastern Australia. The park is native shrubland—the Australian “bush”—and appears in the ...

Yellowstone National Park, USA
Yellowstone National Park, USA

The summer of 1988 was unusually dry in the western United States. Dry cold fronts brought high wind and lightning but no rain. Along with high temper...