Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern 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 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 an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern 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 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 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 close-up detail regrowth at the Meadow winter spill site, near Tuktoyaktuk, Northwest Territories
Photograph of Bill Freedman and an unidentified researcher creating a small oil spill at a control site, near Tuktoyaktuk, Northwest Territories
Photograph of close-up detail regrowth at the winter spill site, near Tuktoyaktuk, Northwest Territories
Photograph of the Meadow control site, near Tuktoyaktuk, Northwest Territories
Photograph of an overview of the Pingo control site, near Tuktoyaktuk, Northwest Territories
Photograph of detailed regrowth at the Meadow summer spill site, near Tuktoyaktuk, Northwest Territories
Photograph of an abandoned DEW Line site (now a reindeer herding station) at Atkinson Point, Tuktoyaktuk Peninsula, Northwest Territories
Aerial photograph of an old oil rig drilling site, Mackenzie River delta, Northwest Territories
Aerial photograph of Immerk artificial island, Mackenzie Bay, Northwest Territories
Photograph of regrowth detail at the Point 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 the oiled 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 regrowth at the meadow control site near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the meadow winter spill site near Tuktoyaktuk, Northwest Territories
Photograph of Tuktoyaktuk from the top of Split Pingo
Photograph of scenery on the Tuktoyaktuk Peninsula from the top of Split Pingo
Photograph of Bill Freedman eating dried caribou in Tuktoyaktuk, Northwest Territories
Photograph of an oiled blue-winged teal at Alexandria Bay, New York
Photograph of oil along the shore at Alexandria Bay, New York
Photograph of oil along the shore, affecting Salix babylonica, at Alexandria Bay, New York
Photograph of a researcher examining weathered crude oil at Alexandria Bay, New York
Photograph depicting glacial striation near Postville, Newfoundland and Labrador
Aerial photograph of tundra at 2500 feet near Postville, Newfoundland and Labrador
Photograph of Tussock cottonsedge (Eriophorum vaginatum var. spissum) in a bog near Postville, Newfoundland and Labrador
Aerial photograph of a Black spruce (Picea mariana) burn site near Postville, Newfoundland and Labrador
Photograph depicting Streptomyces caespitosus in a lakeside fen near Postville, Newfoundland and Labrador
Photograph of an unidentified person standing on Long Island, near Postville, Newfoundland and Labrador
Photograph of Purple pitcher plant (Sarracenia purpurea), likely in Terra Nova National Park, Newfoundland and Labrador
