The Mariners have made a long-term commitment to sustainability, making Safeco Field one of the greenest ballparks in baseball.
The Mariners have increased the recycling rate for Safeco Field from 13% in 2006 to almost 87% in 2015.
Safeco Field has been recycling compostables since 2007, resulting in the diversion of 9.4 million pounds of food and yard waste from the landfill. The food scraps and grass clippings are mingled with organic matter collected from businesses, restaurants, and homeowners across the greater Seattle area and transformed by Cedar Grove into compost that is prized by gardeners across the Northwest.