<https://boards.cruisecritic.com/topic/2728631-sighyou-can-do-better-carnival-corp/#comment-59440971>
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"I always thought that Holland America was a line that took environmental protection seriously.  But, let's face it, if we really cared about protecting our planet, we would not fly planes, take cruises, or drive certain vehicles.\n "
<https://boards.cruisecritic.com/topic/2728631-sighyou-can-do-better-carnival-corp/?tab=comments#comment-59244661>