The Cardano blockchain is a third generation blockchain platform. Through the use of a proof-of-stake protocol called Ouroboros this blockchain solves the energy waste issues of older blockchain technologies. The design principles used from the beginning to build Cardano has it positioned to be the most sustainable blockchain platform. Negative externalities have historically been swept under the rug by corporations and early blockchain technologies. By incorporating the people and the environment as fundamental parts of the design of Cardano it has truly become the most equitable blockchain on the planet.