By Zoë Ducklow | National Gallery of Canada Magazine It was two years ago, while hovering over the Niger Delta in a two-dollar-per-second rented helicopter that Edward Burtynsky saw an oil-soaked scene of apocalyptic scale. Images of oily waterways flicker in dull rainbow hues; landscapes shine black and are littered with scorched trees; a boat speeds … Continue reading Human-altered landscapes: visions of the Anthropocene