Greener Sports: How eco-friendly are professional sports leagues

Green sports teams, NFL offseason grades: All 32 teams ranked from most improved (Steelers) to least (Rams)

NFL offseason grades: All 32 teams ranked from most improved (Steelers) to least (Rams)

EcoSports: Making a Difference with Environmentally-Friendly Sporting Goods – GreenSportsBlog

Schneider Electric Teams Up with the Professional Women's Hockey League to Pave the Way for Greener Goals

The Seattle Sounders aren't the only team wearing green at CenturyLink Field this season

NFL Green

Forest Green Rovers' kit supplier makes its eco-friendly mark on the sports apparel business – The Sustainability Report

Green Football Weekend returns: Help your club fight against climate change, Football News

Expert: College Athletics Offer Platform for Promoting Sustainable Behavior

Forest Green Rovers F.C. - Wikipedia