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For decades environmentalists have warned that ever-rising
numbers of people and their impact on the Earth's finite
resources could lead to disaster, not only for wildlife and
ecosystems but also for human populations. With each passing
year, as scientists gather and publish more data that
graphically reveal the link between population growth and
environmental degradation, those warnings are becoming harder
to ignore. In this map-based feature, gauge the scope and
effects, both actual and potential, of the human "footprint"
on our planet. To launch the
interactive, click on
the image at left.—Lexi Krock
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