Submitted by Strong-Ball-1089 t3_ynh6ss in askscience
doug-fir t1_ivcifyx wrote
Reply to comment by theelous3 in What is the cause of the steep escarpment at the base of Olympus Mons? by Strong-Ball-1089
I remember back in the 1990s, NASA produced aerial photos showing the the liquidation of old growth forests in the Pacific NW was worse than the destruction of the Amazon. That opened a lot of eyes.
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