You are exactly right. soon these environmental folks will realize that the optimum way to get power from the sun is not going to be fields of corn, but massive solar panels that absorb all the light hitting the ground. the landscape will turn black, and there will be nowhere for the lizards or anything else.
Buy stock in windex.
Nah, I imagine that there will be creatures who will enjoy living in the shade of the mirrors. Just the opposite of the caribou, which like being near the Alaska pipeline, because of the warmth.