Cavers would probably be most interested in the portion quoted below but please do read the full article.
"The Center for Biological Diversity is a particularly formidable adversary. The nonprofit group, based in Tucson, has 20 lawyers on its staff in more than a dozen offices across the country. The center raised $7.5 million in 2009, according to its annual report, including $4.8 million from membership donations and $1.2 million in what it calls “legal returns” from cases. "
This 2005 article "Environmental group loses suit filed by cattleman" By Jim Carlton, The Wall Street Journal is well worth a read.
"ARIVACA, Ariz. -- Jim Chilton is one of hundreds of ranchers targeted by environmental groups for allegedly allowing cattle to despoil the West's backcountry. Now Mr. Chilton is showing ranchers how to turn the tables on the green groups by using their own playbook.
The Center for Biological Diversity in Tucson is known for its lawsuits against ranching practices -- and for its methods of posting photos on the Internet that it says depict land destruction. So when the Center came after Mr. Chilton, he struck back with a defamation suit in Arizona Superior Court in Tucson last year. "