The Speak Up For Blue Podcast

In this episode of the "How to Protect the Ocean" podcast, host Andrew Lewin discusses the environmental impact of cruise ships, particularly focusing on the use of scrubbers that release toxic chemicals directly into the ocean. Cruise ships are likened to floating cities, providing travelers with unique experiences while visiting various destinations. However, the pollution generated by these ships is often overlooked. A recent study highlights that many cruise ships, especially those operating in Alaska, utilize a technology called open-loop scrubbers to clean their exhaust. While these systems filter harmful chemicals from emissions, the resulting polluted wastewater is discharged directly into the sea, creating significant environmental concerns. An incident in Ketchikan, Alaska, where inspectors observed a cloudy discharge on the water's surface, exemplifies the issue. On average, cruise ships using these scrubbers release millions of gallons of polluted water daily. This practice poses a risk to coastal