> Surely something more is needed to make it immoral. Depends what you mean by immoral. A moral consequentialist might argue that negative externalities (like

> Surely something more is needed to make it immoral. Depends what you mean by immoral. A moral consequentialist might argue that negative externalities (like pollution) are inherently immoral - though that doesn't necessarily mean every activity with negative externalities is necessarily immoral, since its positive consequences might outweigh that.