The name of the Greek mythological earth goddess and universal mother; actress EmmaThompson stated that she was attracted by its ecological element, so other "green" parents may want to follow her lead.
Gaia Bawden, character in "The Casual Vacancy" by J. K. Rowling
Gaia, character on animated series "Captain Planet"
Gaia, character in RickRiordan's Heroes of Olympus series
Gaia, character in MichaelGrant's Gone Series
Gaia, spirit of Earth in the British TV series 'Edge of Darkness' (1985)
Gaia, spirit in film 'Final Fantasy: The Spirits Within' (2001)
Gaia, planet in video game 'Final Fantasy VII'
Gaia, main character in the 'Fearless' series