Back in May, Finland told Google in writing that its new AI data center site needed an environmental review. Google kept cutting down the forest there until August. By then the crews had cleared 330 hectares in a town called Muhos. That's about 815 acres, or more than 600 football fields of northern Finnish forest. Here's how it went down, according to regulator documents that Helsingin Sanomat got hold of. Clearing started in March. In late April, Google's Finnish project company asked the…