I thought I knew all possible causes. Apparently not.
This new campaign from the Swiss Ocean Care is about underwater noise. It is the overlooked catastrophe as they say.
Whales stranding, shoals of fish collapsing, sea turtles fleeing: extreme noise is harming marine life. Noise caused by military sonar tests, the search for oil and gas, and giant ship propellers.
Loud. Louder. Lifeless. (Laut. Lauter. Leblos.) is the name of the campaign and contains 3 print ads and an online component.
See all after the break including a explanatory video.
It is a joint campaign by Ocean Care, Whale and Dolphin Conservation (WDC), Ocean Mammal Institute and the Animal Welfare Institute.
The original Swiss version: