[1] The headquarters are in Santa Fe, New Mexico, with field offices in Denver, Colorado; Portland, Oregon; Missoula, Montana; Boise, Idaho; and Tucson, Arizona.

[6] WildEarth Guardians has been actively challenging coal mining in the western United States, especially in the Powder River Basin of northeastern Wyoming and southeastern Montana.

[8] The efforts of the Climate & Energy Program to limit or prevent fracking has thwarted development of 20,000 acres in the Greater Chaco Region of New Mexico.

[1] The Wildlife Program uses legal means to obtain formal listing under the Endangered Species Act for species nearing extinction, seeks to protect native carnivores in and restore native carnivores to their natural habitat, and seeks to end the systematic killing of wild animals by state and the federal governments.

[1] WildEarth Guardians Wild Places Program works to ensure that public lands are not destroyed by overdevelopment, overgrazing, or natural resource extraction.

[14] The Wild River Program, working in concert with other organizations, reached an agreement in 2014 with the US Forest Service to safeguard 1.7 million acres of public lands in Utah from oil and gas drilling.

[15] [WildEarth Guardians] is relatively new to the green lobbying game, as compared to longer-established players like The Sierra Club or Audubon Society, but it stands out in its eagerness to use litigation as a tool of intimidation, influence and policy-making.

Equally disturbing is the fact that many of the group’s activities seem aimed at tying federal agencies in knots and generating even more paperwork, diverting funds that could go for conservation and preservation to defending lawsuits and complying with court orders.

"[15] An economic-impact study by Americans for Prosperity in 2012 said that a total of some $4 billion in economic impacts would result if the WildEarth Guardians were to achieve all of their stated goals with respect to the protection of wildlife through the complete elimination of grazing, coal mining, and drilling on public lands.

The Wall Street Journal weighed in against the WildEarth Guardians in December 2012, with an opinion piece:[10] Texas Land Commissioner Jerry Patterson testified to Congress in June that taxpayer money is being spent in litigation over these listings.

Not coincidentally, the range of this particular lizard includes portions of the Eagle Ford Shale in Texas, which is emerging as one of the top oil- and gas-producing regions in the country.