More people live along the banks of the Yangtze River than in the United States. One can only imagine the environmental impact of that population. Photographer Nadav Kander took an interest in this subject, and his work was recently rewarded with the Prix Pictet. The prize is relatively new but prestigious, and the first devoted to photography and sustainability.

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The Prix Pictet rewards photography that focuses on large-scale environmental issues — photography with a large-scale communicative impact. Each year the contest is themed; "water" was the prompt last year, and this year it was "earth." Twelve finalists were recognized in July, but Kander's series, "Yangtze, The Long River," took the prize. Learn more on the Prix Pictet Web site.

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