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Motion to intervene filed in Montana suit over Yellowstone’s plans for America’s national mammal

Grizzly 399, an iconic bear matriarch in the Greater Yellowstone region, has died due to a vehicle strike. Earthjustice has worked for decades to safeguard grizzlies from threats to their survival. Today we are mourning Grizzly 399’s loss and reflecting on these observations of her that legendary photographer Thomas D. Mangelsen shared in 2020.

The Fort Peck Assiniboine and Sioux Tribes, alongside conservation groups, filed a motion to join a lawsuit to defend Yellowstone National Park’s science-based bison management plan.

Emergency protections are needed for the gray wolf after the Northern Rockies sees the worst persecution of wolves in a century.

Our teams in Bozeman, Montana, and Denver, Colorado, have spent decades fighting to safeguard biodiversity, to advance a just transition to clean energy, and to protect people’s health. We’re pleased to share highlights of our progress, and a glimpse at what’s next.

Grizzlies face growing threats to their survival in the Northern Rockies. Here’s how we’re helping them come back from the brink.

Court of appeals sends U.S. Fish and Wildlife Service back to the drawing board

El tribunal de apelaciones envía de regreso su fallo al Servicio de Pesca y Vida Silvestre de los Estados Unidos

Delisting defies best available science, sidesteps important legal safeguards

Trophy hunting looms, absent federal protections

A giant gold mining project proposal near Yellowstone National Park is officially dead, and Montanans’ right to stop such unlawful projects is upheld, with far-reaching impacts.

Judge rules Trump administration unlawfully removed federal protections

Delisting defies the best available science and sidesteps important legal safeguards

The legislation protects private property rights while enacting a permanent withdrawal on the public lands

State’s high court directs state to consider lighting and climate impacts of Yellowstone County Generating Station located on the Yellowstone River

Lucky Minerals’ exploration license ruled invalid, taking plans for exploratory drilling “off the table”

Court further unanimously declares loophole in law favoring mining industry is unconstitutional

Science shows that true recovery of grizzly bears requires a unified population with connected ecosystems.