Greenland, located in the Arctic (the Northern Hemisphere), is home to polar bears, musk oxen, and Atlantic puffins, but it ...

Emperor penguins march along the ice on Cape Washington on Antarctica's Ross Sea. Contrary to popular belief, these ...

Beach Retreat (Lanzarote): 4* Lanzarote beach holiday with flights — save up to 58%. The roles are unpaid, but they include ...

From the reintroduction of grey wolves in Yellowstone National Park to throwing pufflings off cliffs, there are times when human intervention has proved successful ...