Anti-Optimum Population Trust
Anti-Optimum Population Trust is a Facebook group created by an Australian resident, Gary Richards. Its membership includes LM network associates Daniel Ben-Ami, Dolan Cummings, Ceri Dingle, Claire Fox, Ann Furedi, Patrick Hayes, Alex Hochuli, Rob Lyons, Martyn Perks and Kevin Yuill. 
The Optimum Population Trust is a target for the LM network, with Spiked attacking it fifteen times during 2009 alone. The OPT has also been criticised by a long-term critic of the LM network, George Monbiot.
- "Members", Anti-Optimum Population Trust Facebook group, accessed 25 May 2010
- Search results for Optimum Population Trust on Spiked site, 27 May 2010
- George Monbiot, Stop blaming the poor. It's the wally yachters who are burning the planet, The Guardian, Comment is Free, 28 Sept 09, acc 26 May 2010