Clearcutting. There's a plague of vampire beavers, or something, cutting down trees and harvesting the lot of them. Nobody knows if they grow back again, or how long it takes. Eventually, there will be legislation.
But until then, keep track of your stumps with StumpTracker.
Helpfully broken down by region:
PB, VoK, ND, FP,
Sinai, DoS, RSO, Karnak, CotS, LN, and UN
Sponsored by...
... and one page, to Index them all, and in the ToC bind them...