Most Polluting Cruise Ships (2026)

Cruise ships with the lowest environmental Green Scores. These vessels rank near the bottom for emissions intensity, advocacy grades, or compliance records.

All Ships Greenest Ships Most Polluting Best Emissions Best FOE Grades
# Ship Cruise Line Green Score ▲ Emissions (40%) FOE (35%) Compliance (25%)
1 Carnival Sunrise Carnival 53 N/A N/A N/A
2 Carnival Sunshine Carnival 53 N/A N/A N/A
3 Carnival Valor Carnival 53 N/A N/A N/A
4 Aurora P&O 53 N/A N/A N/A
5 Carnival Liberty Carnival 60 N/A N/A N/A
6 Carnival Glory Carnival 60 N/A N/A N/A
7 Carnival Conquest Carnival 60 N/A N/A N/A
8 Carnival Breeze Carnival 60 N/A N/A N/A
9 Carnival Pride Carnival 60 N/A N/A N/A
10 Carnival Elation Carnival 60 N/A N/A N/A
11 Carnival Paradise Carnival 60 N/A N/A N/A
12 Carnival Venezia Carnival 61 N/A N/A N/A
13 Carnival Horizon Carnival 61 N/A N/A N/A
14 Carnival Vista Oceania 61 N/A N/A N/A
15 Carnival Freedom Carnival 61 N/A N/A N/A
16 Carnival Magic Carnival 61 N/A N/A N/A
17 Arcadia P&O 61 N/A N/A N/A
18 Queen Anne Cunard 61 N/A N/A N/A
19 Queen Elizabeth Cunard 61 N/A N/A N/A
20 Queen Victoria Cunard 61 N/A N/A N/A
21 Volendam Holland America 61 N/A N/A N/A
22 Carnival Radiance Carnival 63 N/A N/A N/A
23 Carnival Luminosa Carnival 63 N/A N/A N/A
24 Carnival Legend Carnival 63 N/A N/A N/A
25 Caribbean Princess Princess 63 N/A N/A N/A
26 Symphony of the Seas Royal Caribbean 64 N/A N/A N/A
27 Harmony of the Seas Royal Caribbean 64 N/A N/A N/A
28 Allure of the Seas Royal Caribbean 64 N/A N/A N/A
29 Oasis of the Seas Royal Caribbean 64 N/A N/A N/A
30 Spectrum of the Seas Royal Caribbean 64 N/A N/A N/A
31 Anthem of the Seas Royal Caribbean 64 N/A N/A N/A
32 Ovation of the Seas Royal Caribbean 64 N/A N/A N/A
33 Liberty of the Seas Royal Caribbean 64 N/A N/A N/A
34 Independence of the Seas Royal Caribbean 64 N/A N/A N/A
35 Navigator of the Seas Royal Caribbean 64 N/A N/A N/A
36 Explorer of the Seas Royal Caribbean 64 N/A N/A N/A
37 Adventure of the Seas Royal Caribbean 64 N/A N/A N/A
38 Celebrity Edge Celebrity 64 N/A N/A N/A
39 Celebrity Eclipse Celebrity 64 N/A N/A N/A
40 Celebrity Reflection Celebrity 64 N/A N/A N/A
41 Celebrity Solstice Celebrity 64 N/A N/A N/A
42 Enchantment of the Seas Royal Caribbean 64 N/A N/A N/A
43 Silver Dawn Silversea 67 N/A N/A N/A
44 Silver Moon Silversea 67 N/A N/A N/A
45 Silver Muse Silversea 67 N/A N/A N/A
46 Silver Shadow Silversea 67 N/A N/A N/A
47 Norwegian Breakaway Norwegian 68 N/A N/A N/A
48 Norwegian Getaway Norwegian 68 N/A N/A N/A
49 Norwegian Gem Norwegian 68 N/A N/A N/A
50 Scarlet Lady Virgin Voyages 68 N/A N/A N/A
51 Msc Divina MSC 68 N/A N/A N/A
52 Carnival Dream Carnival 68 N/A N/A N/A
53 Carnival Celebration Carnival 71 N/A N/A N/A
54 Carnival Jubilee Carnival 71 N/A N/A N/A
55 Carnival Panorama Carnival 71 N/A N/A N/A
56 Carnival Spirit Carnival 71 N/A N/A N/A
57 Carnival Miracle Carnival 71 N/A N/A N/A
58 Odyssey of the Seas Royal Caribbean 71 N/A N/A N/A
59 Mariner of the Seas Royal Caribbean 71 N/A N/A N/A
60 Eurodam Holland America 71 N/A N/A N/A
61 Westerdam Holland America 71 N/A N/A N/A
62 Grand Princess Princess 71 N/A N/A N/A
63 Queen Mary 2 Cunard 71 N/A N/A N/A
64 Regal Princess Princess 71 N/A N/A N/A
65 Koningsdam Holland America 71 N/A N/A N/A
66 Majestic Princess Princess 71 N/A N/A N/A
67 Rotterdam Holland America 71 N/A N/A N/A
68 Ruby Princess Princess 71 N/A N/A N/A
69 Nieuw Amsterdam Holland America 71 N/A N/A N/A
70 Noordam Holland America 71 N/A N/A N/A
71 Celebrity Equinox Celebrity 71 N/A N/A N/A
72 Crown Princess Princess 71 N/A N/A N/A
73 Discovery Princess Princess 71 N/A N/A N/A
74 Enchanted Princess Princess 71 N/A N/A N/A
75 Zaandam Holland America 71 N/A N/A N/A
76 Zuiderdam Holland America 71 N/A N/A N/A
77 Disney Wish Disney 73 N/A N/A N/A
78 Norwegian Dawn Norwegian 73 N/A N/A N/A
79 Utopia of the Seas Royal Caribbean 73 N/A N/A N/A
80 Wonder of the Seas Royal Caribbean 74 N/A N/A N/A
81 Quantum of the Seas Royal Caribbean 74 N/A N/A N/A
82 Freedom of the Seas Royal Caribbean 74 N/A N/A N/A
83 Celebrity Beyond Celebrity 74 N/A N/A N/A
84 Celebrity Apex Celebrity 74 N/A N/A N/A
85 Celebrity Silhouette Celebrity 74 N/A N/A N/A
86 Icon of the Seas Royal Caribbean 74 N/A N/A N/A
87 Silver Nova Silversea 74 N/A N/A N/A
88 Silver Ray Silversea 74 N/A N/A N/A
89 Msc Seashore MSC 75 N/A N/A N/A
90 Msc Magnifica MSC 75 N/A N/A N/A
91 Serenade of the Seas Royal Caribbean 75 N/A N/A N/A
92 Brilliance of the Seas Royal Caribbean 75 N/A N/A N/A
93 Jewel of the Seas Royal Caribbean 75 N/A N/A N/A
94 Celebrity Constellation Celebrity 75 N/A N/A N/A
95 Celebrity Summit Celebrity 75 N/A N/A N/A
96 Sapphire Princess Princess 77 N/A N/A N/A
97 Norwegian Viva Norwegian 77 N/A N/A N/A
98 Norwegian Prima Norwegian 77 N/A N/A N/A
99 Norwegian Encore Norwegian 77 N/A N/A N/A
100 Norwegian Bliss Norwegian 77 N/A N/A N/A
101 Norwegian Joy Norwegian 77 N/A N/A N/A
102 Norwegian Escape Norwegian 77 N/A N/A N/A
103 Norwegian Epic Norwegian 77 N/A N/A N/A
104 MSC Meraviglia MSC 77 N/A N/A N/A
105 Resilient Lady Virgin Voyages 77 N/A N/A N/A
106 Msc Grandiosa MSC 77 N/A N/A N/A
107 Msc Seascape MSC 77 N/A N/A N/A
108 Msc Seaside MSC 77 N/A N/A N/A
109 Norwegian Jewel Norwegian 77 N/A N/A N/A
110 Valiant Lady Virgin Voyages 77 N/A N/A N/A
111 Disney Treasure Disney 80 N/A N/A N/A
112 Seven Seas Explorer Regent Seven Seas 85 N/A N/A N/A
113 Seven Seas Grandeur Regent Seven Seas 85 N/A N/A N/A
114 Seven Seas Mariner Regent Seven Seas 85 N/A N/A N/A
115 Seven Seas Splendor Regent Seven Seas 85 N/A N/A N/A
116 Disney Fantasy Disney 88 N/A N/A N/A
117 Disney Magic Disney 89 N/A N/A N/A
118 Disney Dream Disney 90 N/A N/A N/A
119 Explora Ii Explora 90 N/A N/A N/A
120 Roald Amundsen Hurtigruten 90 N/A N/A N/A
121 Disney Wonder Disney 90 N/A N/A N/A

Showing 121 ships

Green Scores are calculated from EU THETIS-MRV emissions data (40%), Friends of the Earth grades (35%), and federal compliance records (25%).

View Individual Ship Environmental Profiles →