Silversea Cruises - Final Grade: "C"

Silversea Cruises was founded in 1994 and became a fully-owned subsidiary of Royal Caribbean Group (RCG) in 2020. Headquartered in Monaco, Silversea describes itself as a luxury cruise line that operates 11 cruise ships worldwide. The Silversea cruise ship fleet consists of smaller ships with carrying capacities between 200 and 1,050 passengers and crew.

Of Silversea’s 11 ships, seven have installed advanced sewage treatment systems, resulting in a grade of D- for the company’s 38 percent sewage treatment score. In total, none of Silversea’s ships have shorepower capability, earning the company an F in this category. Silversea operated one ship, the Silver Shadow, in Alaska from 2010 to 2018 and another ship, the Silver Muse, in 2019. Neither the Silver Shadow nor the Silver Muse received any violations when operating in Alaskan state waters. Since Silversea has not installed scrubbers on its fleet of cruise ships, its water quality compliance grade is based on Alaskan violations only earning Silversea a 100 percent for water quality compliance.

Silversea was also one of the cruise lines that responded to our inquiries about its environmental practices with specifics, awarding them an A for transparency.

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Silversea Cruises - Cruise Ship Fleet

Ship Name Cruise Line Total Persons on Board Destinations Sewage Treatment

Sewage Treatment

Has the cruise line installed the most advanced sewage and wastewater treatment systems available instead of dumping minimally treated sewage directly into the water? In determining a cruise line’s Sewage Treatment grade, we compared the number of cruise ships in the cruise line that have installed advanced sewage treatment systems against the total number of ships in the cruise line. Ships with AWTS were downgraded in 2020 since no companies publicly report on the performance of those advanced systems.

Air Pollution Reduction

Air Pollution Reduction

Has the cruise line installed shorepower or adopted cleaner fuel worldwide? In determining the Air Pollution Reduction grade for each ship in a cruise line, ships that dock at a port and plug in to available shoreside power hookups were graded. In addition, ships were given credit if they utilize low sulfur fuels continuously worldwide at levels lower than required by international law. Use of scrubbers is not considered since the scrubbers in use by the cruise industry simply convert air pollution emissions into water pollution through their scrubber wastewater discharges.

Water Quality Compliance

Water Quality Compliance

To what degree did cruise ships violate water pollution standards designed to better protect the Alaskan coast? In determining the Water Quality Compliance grade for cruise ships, we used notices of violation issued for individual cruise ships to each cruise line by the Alaska Department of Environmental Conservation from 2010 to 2019. In addition, we downgraded ships for their use of scrubbers since scrubbers convert air pollution emissions into water pollution.

Final Ship Grade
Curved Grading Scale
A 100-85 Excellent
B 84-70 Satisfactory
C 69-50 Needs Work
D 49-25 Poor
F 24-0 Unacceptable
N/A Not Graded No Discharge in Alaskan Waters or Scrubber Use

**For the 2021 Cruise Ship Report Card, we graded 18 cruise lines and 202 cruise ships of those 18 lines operating around the world. All cruise ships from each cruise line were included in this report card. Friends of the Earth relied on data gathered from the internet, government sources, the cruise line industry, and other public sources in order to determine the grades assigned to the cruise lines. Friends of the Earth did not independently verify that the technology graded in the report card was installed on the individual cruise ships.

Silver Moon Silversea Cruises 1007 Asia, Caribbean, Central America, Europe, Mediterranean, Middle East, South America, Southeast Asia, Florida 00 00 00
Silver Explorer (previously Prince Albert II) Silversea Cruises 262 Asia, Antarctic, Australia, New Zealand, South America, South Pacific, Southeast Asia 00 00 00
Silver Wind Silversea Cruises 533 Antarctic, Arctic, Canada, Caribbean, Central America, Europe, New England, South America, U.S. West Coast 00 00 00
Silver Cloud (Silver Cloud Expedition) Silversea Cruises 518 Asia, Africa, Antarctic, Arctic, Australia, Europe, Mediterranean, Middle East, New Zealand, South America, South Pacific, U.S. West Coast 05 00 01
Silver Whisper Silversea Cruises 690 Asia, Africa, Australia, Canada, Caribbean, Central America, Europe, Mediterranean, Middle East, New England, New Zealand, South America 05 00 01
Silver Spirt Silversea Cruises 1059 Asia, Africa, Caribbean, Central America, Europe, Mediterranean, Middle East, Florida 05 00 11 04
Silver Galapagos Silversea Cruises 175 05 00 01
Silver Muse Silversea Cruises 1007 Asia, Alaska, Australia, New Zealand, Southeast Asia 05 00 01
Silver Dawn Silversea Cruises 1007 Caribbean, Central America, Europe, Mediterranean, South America, Florida 00 00 00
Silver Origin Silversea Cruises 190 Galapagos Islands 05 00 11 04
Silver Shadow Silversea Cruises 690 Asia, Africa, Alaska, Australia, Mediterranean, Middle East, New Zealand, South America, Southeast Asia, Florida 05 00 01

Grading Methodology For The 2021 Cruise Ship Report Card

Friends of the Earth’s Cruise Ship Report Card ranks 18 major cruise lines and 202 cruise ships — AIDA Cruises, Carnival Cruise Lines, Celebrity Cruises, Costa Cruises, Crystal Cruises, Cunard Cruise Line, Disney Cruise Line, Holland America Line, MSC Cruises, Norwegian Cruise Lines, Oceania Cruises, P&O Cruises, Princess Cruises, Regent Seven Seas Cruises, Royal Caribbean Int’l, Seabourn Cruise Line, Silversea Cruises, and Virgin Voyages — according to four environmental criteria: Sewage Treatment, Air Pollution Reduction, Water Quality Compliance and Transparency.

    • Sewage Treatment
      To determine a cruise line’s Sewage Treatment grade, we compared the number of cruise ships in the cruise line that have installed advanced sewage treatment systems (AWTS) against the total number of ships in the cruise line. Ships with AWTS were downgraded in 2021 because no companies publicly report on the performance of those advanced systems.
    • Air Pollution Reduction
      To determine the Air Pollution Reduction grade for each ship in a cruise line, ships that dock at a port and plug in to available shoreside power hookups were graded. In addition, ships were given credit if they utilize low sulfur fuels continuously worldwide at levels lower than required by international law. Use of scrubbers is not considered since the significant majority of scrubbers in use by the cruise industry simply convert air pollution emissions into water pollution through their scrubber wastewater discharges.
    • Water Quality Compliance
      To determine the Water Quality Compliance grade for ships operating in Alaska, we used notices of violation issued for individual cruise ships to each cruise line by the Alaska Department of Environmental Conservation from 2010 to 2019. We also failed ships for their scrubber use since scrubbers convert air pollution emissions into water pollution.
    • Transparency
      To determine the Transparency grade for each cruise line we graded each cruise line based on whether it responded to our 2021 requests for information regarding their environmental practices.
    • Criminal Violations
      All Carnival Corporation companies committed criminal environmental violations between 2017 and 2021.


Grades In Comparison: Report Cards From Previous Years

 

**For the 2021 Cruise Ship Report Card, we graded 18 cruise lines and 202 cruise ships of those 18 lines operating around the world. All cruise ships from each cruise line were included in this report card. Friends of the Earth relied on data gathered from the internet, government sources, the cruise line industry, and other public sources in order to determine the grades assigned to the cruise lines. Friends of the Earth did not independently verify that the technology graded in the report card was installed on the individual cruise ships.

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