I love the move to clean energy, but the pragmatist within me can't help but wonder: what's the downside to solar from an environmental perspective (if any)? Ha

I love the move to clean energy, but the pragmatist within me can't help but wonder: what's the downside to solar from an environmental perspective (if any)? Has anyone conducted any studies on the environmental impact of a large solar farm in a given area (to wildlife, weather, etc)?