Lock the Gate Alliance
http://lockthegate.org.au
The Lock the Gate Alliance is a broad based coalition of community, environmental and industry groups opposed to coal seam gas mining. Their site has a great deal of information and resources for fighting this challenge
Keerrong Gas Squad
http://www.keerronggassquad.org
The Keerrong Gas Squad is a local community activist group in the Casino area fighting against coal seam gas mining in the Keerrong Valley of Northern NSW
Otford
http://www.otfordeco.com/CoalSeamGasExploration.html
The impact of Coal Seam Gas Mining (CSG) in our Sydney Water Catchment and State Conservation Land through the Illawarra
Coal Seam Gas News
http://coalseamgasnews.org
This is a very comprehensive website out of Lismore. It has links to a huge number of resources on the internet, in the Northern Rivers, NSW, Australia, the USA and around the world.
Shoo Cockatoo
http://www.shoocockatoo.com/
Website of the Southern Highlands Coal Action group. Well worth a look.