In the year 2010, the George & Miriam Martin Foundation encouraged the preservation of rivers and watersheds by making grants to the following organizations:

• American Farmland Trust, $10,000
• American Rivers, $5,000
• American Whitewater, $5,000
• Appalachian Mountain Club, $10,000
• Audubon Pennsylvania, $10,000
• Beacon Institute, $10,000
• Brandywine Conservancy, $20,000
• Center for Biological Diversity, $2,000
• Clark Fork Coalition, $1,000
• Clean Water Fund, $10,000
• Clearwater, Inc., $1,000
• Delaware Riverkeeper, $50,000
• EarthJustice, $100,000
• El Porvenir, $1,000
• French and Pickering Creek Conservation Trust, $35,000
• Friends of Blackwater Canyon, $2,000
• Friends of the River, $1,000
• Green Valleys Association, $5,000
• Heritage Conservancy, $2,000
• Horseshoe Trail Conservancy, $1,500
• International Rivers Network, $30,000
• Izaak Walton League of America, $2,000
• Keystone Trails Association, $1,000
• Naimans Creek Association, $1,000
• Natural Lands Trust, $10,000
• Nature Conservancy of Pennsylvania, $1,000
• PA Land Trust Alliance, $5,000
• PennEnviroment, $10,000
• Pennypack Ecological Preservation, $5,000
• Rails to Trails Conservancy, $2,000
• Reclam the Bay, $15,000
• River Alliance of Wisconsin, $2,000
• River Network, $1,000
• Sanibel-Captiva Conservation, $5,000
• Schuykill River Greenway Association, $15,000
• Student Conservation Association, $1,000
• Trout Unlimited, $5,000
• West Vincent Land Trust, $20,000
• West Virginia Rivers Coalition, $2,000
• WildEarth Guardians, $1,000
• Wildlands Conservancy, $2,000

Total for 2010 = $417,500