Adventure travel has been on an upward path with people interested in exploring places that until now have not experienced high numbers of tourists. In particular, there is increased growth in marine traffic in areas such as the Arctic and along with the growth comes an increased risk of accidents and pollution to these hard-to-reach spots. As gCaptain.com notes, cruise ship traffic has increased 50% in the last year and this is having an impact on remote ecosystems. Read more.