Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a small meltwater pond on top of Split Pingo near Tuktoyaktuk, Northwest Territories
Photograph of a Snow goose at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nest at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a steep cliff face with hardy tundra plants, near Voisey's Bay, Newfoundland and Labrador
Photograph of a view from the top of Split Pingo, near Tuktoyaktuk, Northwest Territories
Photograph of Alpine arnica (Arnica alpina) near Tuktoyaktuk, Northwest Territories
Photograph of an abandoned DEW Line site (now a reindeer herding station) at Atkinson Point, Tuktoyaktuk Peninsula, Northwest Territories
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an "engineer's soil pit" one month after spill, likely near Norman Wells, Northwest Territories
Photograph of an Innu archer at the 1974 Northern Games, Tuktoyaktuk, Northwest Territories
Photograph of an oiled control area at the Pingo site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of regrowth at the Lupin control site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of regrowth at the Lupin spill site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of regrowth at the Lupin spill site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of regrowth at the Meadow site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of regrowth at the Pingo control site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of regrowth in the southwest corner of the Meadow summer site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of the Lupin control site, near Tuktoyaktuk, Northwest Territories