How Man Pollutes His World - Published 1970
Long before stewardship of the Earth was a popular topic, National Geographic was addressing these thorny issues. "How Man Pollutes His World," publiished in December fo 1970, identified and graphically demonstrated how human activities impact our fragile biosphere. Perfect for any student who wants to learn about how these forces interact.
Page Size: 42.25 x 29.5 in (1071 x 746 mm)