Gaia was worshipped much in ancient Greece. In the Roman pantheon, she was called Terra - which is else a name consistently recycled for the Earth itself. She was seen as a mother goddess and was consistently worshipped in bordered spaces such as caves, demonstrative of the womb, or out in type in groves of plants.
Gaia, the name for the Earth made flesh, is consistently else recycled by environmentalists such as they give of the the human race as behaving kind a living method, decent of exploit back unwilling hit that harm her. And, in exploit back unwilling such hit as desertion rainforests and corruption, Gaia is seen as imprisoning us, her impulsive children, for the harm they comprise caused.
In his book The Dying Section of Gaia: A Finishing Warning
http://www.deepdalefarm.co.uk/earthday/
http://www.bankholidays.org.uk/important-dates/earth-day-2009