Donate to MMNP MMNP is very grateful for donations. The program is a nonprofit run entirely by volunteers.Tuition is kept as affordable as possible, with financial assistance awarded when funds are available.You can donate through the PayPal using the button below.Alternatively, you can mail a check with a note indicating the purpose of your donation.Maine Master Naturalist ProgramPO Box 388Waldoboro, ME 04572 Donate