Making the world a greener place — one hockey arena at a time Primary tabs Hockeyology by Russ_Cohen - April 27, 2016April 27, 20160 The NHL® understands its responsibility as a premiere professional sports league to help manage and raise awareness of global environmental challenges. In truth, the NHL® has a vested interest in addressing sustainability issues. As a business, the league relies on freshwater to make its ice, on energy to fuel operations, and on