Signs & Solutions - National Geographic - 2 views
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Martin Shapiro on 12 Apr 10National Geographic's latest issue is all about water issues -- it's great. There website is also providing a lot of learning tools: interactive maps, videos, case studies.
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Martin Shapiro on 12 Apr 10National Geographic's latest issue is all about water issues -- it's great. There website is also providing a lot of learning tools: interactive maps, videos, case studies.