Earthlings is the first part of a trilogy. Right now, "Nation Earth" is working on the second part (UNITY), a documentary film about unifying the three parts of earth: nature, animals and humankind. See more
earth-ling n. - One who inhabits the earth.
Since we all inhabit the earth, we are all considered earthlings. There is no sexism, racism, or speciesism in the term 'earthling'. It encompasses each and every one of us: warm- or cold-blooded, mammal, vertebrate or invertebrate, bird, reptile, amphibian, fish and human alike.