Lets not do this exercise.
Trees and cows are renewable. The millions of cows wouldn't exist if we didn't find them useful.
Recycling everything isn't necessarily better for the environment. It often takes more energy to recycle something than to just make a new product. It's pointless to recycle most plastics and glass, but recycling metal usually makes sense.
The best thing someone can do for the environment is kill themselves. For crazies that think humans are not of nature, and that the "environment" is the most important thing, there is the
voluntary human extinction movement.