The HN submission title is wrong and editorialised. Google is not being investigated for cutting trees. They're being investigated for environmental damage, including drainage and water management at the site. There's been reports of water running from the site out into the environment. The local residents have been worried over brown, muddy water streaming out from the clearance site into the surrounding nature (https://www.hs.fi/suomi/art-2000012327899.html).