Earth

The Earth (地, Chi)] is the main planet and overall setting in the Equestrian Sonic Boom series. The planet is the native home world populated by a wide variety of native organic lifeforms, such as the species known as humans, who are called Earthlings by non-natives.

Earth is the home planet of the human race and it makes up the world that they live in as of now. Humans live and require certain things to live on Earth, like food, air and shelter, etc..