SecondThrow
Game, Set, Match: Life Cycle of a Tennis Ball – Living Sustainably
Media –
Tennis Anyone? James Martinez on Tennis Ball Waste — Sea Change Radio
Tennis Ball Wasteland? Game Grapples With a Fuzzy Yellow Recycling Problem
Recycling balls — Laykold - Official Surface of the US Open.
RecycleBalls Nonprofit
Recreation, Parks & Cultural Activities, City of Alexandria, VA - Tennis players trash more than 300 million tennis balls a year and each tennis ball can take 400 years to decompose. RPCA's
Recycle Your Tennis Balls
How old British balls could solve a 400-year-old problem
How do you properly dispose of old tennis balls?
Czech start-up gives new life to used tennis balls
Ecological impact of tennis balls is out of bounds, environmentalists say - CBS News