By credit card (secure transaction) through Piraeus bank - winbank easy pay:
Through pay pal service:
According to 2238/1994 law, donations to non profit pursuing humanitarian purposes are tax deductible provided that:
The sum donated exceeds the sum of 100€ per year and is accompanied with an a receipt and certificate issued by Fair Planet.
Donations exceeding 300 € per year are deposited in a bank legally operating in Greece and in which Fair Planet holds an account. The bank deposit receipt must be accompanied with a certificate issued by Fair Planet.