Term 3 Week 2- "Saving Gaia" campaign

Hi 5.5,
I'm not sure if anyone of you have noticed this media advertisement that's going on about conservation and saving planet Earth from global warming.
The key slogan is " Saving Gaia".

Any idea what 'Gaia' means?

Check out the website below to find out more about this worldwide conservation campaign. You can take a quiz and find out how green you are in your daily life.

http://www.channelnewsasia.com/savinggaia/

Have fun exploring!