In the year 2012, the George & Miriam Martin Foundation encouraged the preservation of rivers and watersheds by making grants to the following organizations:

• American Chestnut Foundation,
• American Farmland Trust,
• American Rivers, $5,000
• American Whitewater, $2,500
• Appalachian Mountain Club,
• Audubon Pennsylvania,
• Audubon South Carolina,
• Beacon Institute,
• Brandywine Conservancy,
• Camp Hill School, $4,000
• Center for Biological Diversity,
• Clean Water Fund,
• Damascus Citizens,
• Deerfield River,
• Delaware Riverkeeper, $50,000
• Ding Darling Wildlife Society, $15,000
• EarthJustice, $150,000
• El Porvenir,
• Ellis School,
• French and Pickering Creek Conservation Trust, $25,000
• Friends of Blackwater Canyon,
• Friends of the River,
• Green Valleys Association,
• Horseshoe Trail Conservancy, $5,000
• Intervale Center,
• Izaak Walton League of America,
• Keystone Trails Association,
• Natural Lands Trust,
• Nature Conservancy of Pennsylvania,
• Northeast Wilderness Trust,
• PA Environmental Council, $20,000
• PEER, $1,000
• Pennypack Ecological Preservation,
• Potomac Conservancy,
• Rails to Trails Conservancy,
• Reclam the Bay, $10,000
• River Network, $1,000
• Sanibel-Captiva Conservation, $5,000
• Schuykill River Greenway Association,
• Student Conservation Association, $1,000
• Tookany Tacony-Frankford Watershed,
• Trout Unlimited, $5,000
• West Virginia Rivers Coalition, $2,000
• WildEarth Guardians, $5,000
• Wildlands Conservancy, $2,000

Total for 2012 = $308,500