By Mary Harper
BBC News Africa
For the past 40 years, Edward Burtynsky has photographed the impact of human industry on the planet and for his latest collection, African Studies, he travelled across the continent taking photos from above. He spoke to the BBC's Mary Harper.
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Read MoreVideo by Heather Sharpe and Laura Foster
BBC News
Edward Burtynsky travels the world trying to capture striking images of humanity's impact on the planet, from the fossil-like shapes left behind by drills in a Potash mine to the luminescent colours of lithium ponds.
The Canadian photographic artist has spent 40 years focusing on large-scale human activities such as mining, quarrying, agriculture and deforestation - but he says he doesn't see himself as an environmentalist.
His latest project, Anthropocene, is a collaboration with film-makers Jennifer Baichwal and Nicholas de Pencier, exploring the idea proposed by some scientists that a geological epoch shaped by human activity has begun.
It includes a travelling exhibition, a book and feature-length documentary, which was premiered last year in Canada and goes on theatrical release in the US next week.
Watch the video here.
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