I'd be glad to rehang my towel if I had room to do so. Instead of the cruise line or hotel giving my a little card telling my how reusing my towel will save the earth, they could provide a place for me and my DW to hang ours up.
All I ask is a tall ship and a star to steer her by; John Masefield
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014, Regal 2014, 2016, Royal 2017
Star Clippers: Royal Clipper 2015