Scientists and Environmentalists for Population Stabilization

According to Hurlbert in his address at the 2013 PFIR Annual Meeting, SEPS shares the "principles as advocated by CAPS, Numbersusa, FAIR, and other major population stabilization organizations." They have operated booths at the conferences of the North American Congress for Conservation Biology, Ecological Society of America, California Native Plant Society and the San Diego Earth Fair. Material distributed by SEPS includes by and about John Tanton, and titles published by the Social Contract Press, including copies of the journal, The Social Contract.