It would take roughly 100,000 people 2 years working full-time to plant 25% more trees...
I simply researched the average wage on Earth. X 10... Just to solidify my estimate. If Chinese were hired... Or it was mechanized in some way could be an order of magnitude less.
Think about it... Even if we were to pay premium wage and the concert increased 10 times above 10 times the average wage. that would still be less than Jeff bezos payed in his divorce.