[Sadrain]

I mean, the heck, if you look at how deforested some regions are and how many species of plants and animals have gone to extinction... it's not only about freakin' oxygen we're talking about here. DDx
Sure, I am not all about online stuff, but there can be other ways than chopping down woods. Humans are just going the easier route - to glass shield over cities and algea farms, for example. But, the heck, I wouldn't want to live in a world where a tree is just a freakin' hologram.