I'll take your word for it that wind farms aren't visible 40 miles above the earth. But for the life of me I have no idea why we're talking about it. Is there a

I'll take your word for it that wind farms aren't visible 40 miles above the earth. But for the life of me I have no idea why we're talking about it. Is there a lot of wind up there? The research posted in this thread concludes that there is a non-negligible effect on climate. It certainly sounds like you have arrived the opposite conclusion, but as you've left it as exercise to me, I can't be sure.