A new report on Africa鈥檚 environment compiles hundreds of satellite images to illustrate how the continent has changed over the last 30 years. The 鈥渂efore and after鈥� photos show glaciers receding and the effects of deforestation, but they also show how some of the damage is being reversed.
Watch a slideshow of some of the most striking images
was published 10 June by the .
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