Maybe there's just the same amount of birds dropping down from the blades as 1 cat kills, but that's a pretty crude way of looking at it. They have been around

Maybe there's just the same amount of birds dropping down from the blades as 1 cat kills, but that's a pretty crude way of looking at it. They have been around in their current capacity for a relative short time. We will not know exactly how much bad effect it has until things seriously brake and when that happens we already invested heavily in a lot of metal building that we need to maintain to extract value out of. Having less kids would be a more easy fast way if you want to combat climate change for one.