Cruise Ship Environmental Rankings (2026)

Every cruise ship ranked by our Green Score — a weighted composite of EU emissions data (40%), Friends of the Earth advocacy grades (35%), and federal compliance records (25%).

All Ships Greenest Ships Most Polluting Best Emissions Best FOE Grades
# Ship Cruise Line Green Score ▼ Emissions (40%) FOE (35%) Compliance (25%)
1 Disney Dream Disney 90 N/A N/A N/A
2 Disney Fantasy Disney 88 N/A N/A N/A
3 Norwegian Viva Norwegian 77 N/A N/A N/A
4 Norwegian Prima Norwegian 77 N/A N/A N/A
5 Norwegian Encore Norwegian 77 N/A N/A N/A
6 Norwegian Bliss Norwegian 77 N/A N/A N/A
7 Norwegian Joy Norwegian 77 N/A N/A N/A
8 Norwegian Escape Norwegian 77 N/A N/A N/A
9 Norwegian Epic Norwegian 77 N/A N/A N/A
10 MSC Meraviglia MSC 77 N/A N/A N/A
11 Serenade of the Seas Royal Caribbean 75 N/A N/A N/A
12 Icon of the Seas Royal Caribbean 74 N/A N/A N/A
13 Wonder of the Seas Royal Caribbean 74 N/A N/A N/A
14 Quantum of the Seas Royal Caribbean 74 N/A N/A N/A
15 Freedom of the Seas Royal Caribbean 74 N/A N/A N/A
16 Celebrity Beyond Celebrity 74 N/A N/A N/A
17 Utopia of the Seas Royal Caribbean 73 N/A N/A N/A
18 Disney Wish Disney 73 N/A N/A N/A
19 Carnival Celebration Carnival 71 N/A N/A N/A
20 Carnival Jubilee Carnival 71 N/A N/A N/A
21 Carnival Panorama Carnival 71 N/A N/A N/A
22 Carnival Spirit Carnival 71 N/A N/A N/A
23 Carnival Miracle Carnival 71 N/A N/A N/A
24 Odyssey of the Seas Royal Caribbean 71 N/A N/A N/A
25 Mariner of the Seas Royal Caribbean 71 N/A N/A N/A
26 Carnival Dream Carnival 68 N/A N/A N/A
27 Norwegian Breakaway Norwegian 68 N/A N/A N/A
28 Norwegian Getaway Norwegian 68 N/A N/A N/A
29 Norwegian Gem Norwegian 68 N/A N/A N/A
30 Symphony of the Seas Royal Caribbean 64 N/A N/A N/A
31 Harmony of the Seas Royal Caribbean 64 N/A N/A N/A
32 Allure of the Seas Royal Caribbean 64 N/A N/A N/A
33 Oasis of the Seas Royal Caribbean 64 N/A N/A N/A
34 Spectrum of the Seas Royal Caribbean 64 N/A N/A N/A
35 Anthem of the Seas Royal Caribbean 64 N/A N/A N/A
36 Ovation of the Seas Royal Caribbean 64 N/A N/A N/A
37 Liberty of the Seas Royal Caribbean 64 N/A N/A N/A
38 Independence of the Seas Royal Caribbean 64 N/A N/A N/A
39 Navigator of the Seas Royal Caribbean 64 N/A N/A N/A
40 Explorer of the Seas Royal Caribbean 64 N/A N/A N/A
41 Adventure of the Seas Royal Caribbean 64 N/A N/A N/A
42 Celebrity Edge Celebrity 64 N/A N/A N/A
43 Carnival Radiance Carnival 63 N/A N/A N/A
44 Carnival Luminosa Carnival 63 N/A N/A N/A
45 Carnival Legend Carnival 63 N/A N/A N/A
46 Carnival Venezia Carnival 61 N/A N/A N/A
47 Carnival Horizon Carnival 61 N/A N/A N/A
48 Carnival Vista Oceania 61 N/A N/A N/A
49 Carnival Freedom Carnival 61 N/A N/A N/A
50 Carnival Magic Carnival 61 N/A N/A N/A
51 Carnival Liberty Carnival 60 N/A N/A N/A
52 Carnival Glory Carnival 60 N/A N/A N/A
53 Carnival Conquest Carnival 60 N/A N/A N/A
54 Carnival Breeze Carnival 60 N/A N/A N/A
55 Carnival Pride Carnival 60 N/A N/A N/A
56 Carnival Elation Carnival 60 N/A N/A N/A
57 Carnival Paradise Carnival 60 N/A N/A N/A
58 Carnival Sunrise Carnival 53 N/A N/A N/A
59 Carnival Sunshine Carnival 53 N/A N/A N/A
60 Carnival Valor Carnival 53 N/A N/A N/A

Showing 60 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 →