It's a fact! Military Sonars Kill Whales

As technology evolves, we humans have developped increasingly powerful sonar equipments. They can be used to seek enemy submarines or off-shore petrol reserves. But these devices emit very intense sounds that disturb the orientation and communication between the sea creatures. After numerous military exercises, many whales, dolphins or other sorts of porpoises ended up washing up on the shores and later died of the diving disease, symptoms that would naturally never occur on these animals.

Below are three videos that explain the issue in more details.