"While negative feedback loops are big in the media" You mean positive, right? As in self-reinforcing? Negative would mean the opposite, and there are a few of

"While negative feedback loops are big in the media" You mean positive, right? As in self-reinforcing? Negative would mean the opposite, and there are a few of them (greater plant growth etc.) but they seem to be more than cancelled out by the positive (bad) feedback loops.