An person flying a remote control plane equipped with a camera found a "river of blood" flowing out of a meat packing plant in Texas. The pilot ended up calling the Texas Environmental Crimes Task Force. yahoo article with photo
The pilot is remaining anynomous and the state has begun an investigation. The state feels that this is an existing secondary pipe that was placed at some time in the past and was "rediscovered".
Most of the comments are pro environmental regulations but are concerned that Congress or the FAA will create (or are in the process of creating) regulations that prevent private people from photographing property from above. This could prevent activists from using this technology to ensure corporations are following the rules.