https://greendiamondchallenge.org/News for students, teachers and sponsors of the Green Diamond Challenge. https://billymartinfoundation.org/greendiamondchallenge.org-foundation-formingSun, 04 Oct 2026 12:00:00 +0000Led by Chairman Billy Martin Jr., with board members Steve Bender, who also chairs the Advisory Committee, and Dawn Spalding, the Foundation will fund projects led by young people that make sports greener. Donations will open once the Foundation is fully set up. https://billymartin.org/#lifegreendiamondchallenge.org-centennialSun, 04 Oct 2026 12:00:00 +0000Billy Martin was born on May 16, 1928. On May 16, 2028 he would have turned 100. We are building toward a centennial season that honors Billy by backing the next generation, the same way he backed young players like Rod Carew and Rickey Henderson. https://greendiamondchallenge.org/#basesgreendiamondchallenge.org-every-sportSun, 04 Oct 2026 12:00:00 +0000Football stadiums, basketball arenas, soccer fields, hockey rinks, tennis courts, pools, tracks and ballparks. High school and college teams can pick any venue and design a real idea to make it greener. https://greendiamondchallenge.org/#newsgreendiamondchallenge.org-sites-launchSun, 04 Oct 2026 12:00:00 +0000billymartin.org tells the story of Billy Martin's life and the players he believed in. greendiamondchallenge.org invites students to turn that spirit into climate action at sports venues. https://greendiamondchallenge.org/#contactgreendiamondchallenge.org-get-on-listSun, 04 Oct 2026 12:00:00 +0000Sign ups for the first season are opening soon. Send us a note through the contact form and we will send you the dates, the rules and the teacher toolkit as soon as they are ready.