I have experience with geo. As a residencial and commercial application it is working well. Poorly designed and installed systems never work.
Off topic, but good to look at the whole picture.
My original topic does involve us as mountain bikers. We look to escape into the "dense" woods. Void of the marks and scars of the industrial form of progress. The cummulative effects of multiple wind farms and their closing off of major swaths of land to outdoors users is a concern of us all.