Trees turn CO2 into O2 via photosynthesis. Removing thoysands of square miles of rainforest might tweak the atmospheric CO2 readings a tad. Let's plant lots more trees instead of destroying society.
Thank goodness we don't need to fall all the trees to make a Navy now. We can use steel! But that takes coal. But then, the Electric Steel Foundry does it with electricity. Try hooking that up to a windmill.