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As of right, by subject matter interest, FRCP 24(a)(2)

Markle Interests, LLC v. United States Fish & Wildlife Service

A district court granted environmental groups' motion to intervene in a landowner's lawsuit challenging FWS' critical habitat designation for the dusky gopher frog in portions of Louisiana and Mississippi. The landowner, who owns...

United States v. Doe Run Resources Corp.

A district court held that a property owner that filed a RCRA, CAA, and CWA citizen suit against a mine may not...

Kane County, Utah v. United States

The Tenth Circuit affirmed a lower court’s denial of environmental groups’ motion to intervene in a county action against the United States to quiet title to several purported rights of way across federal public lands. In...

United States v. Albert Inv. Co.

The Tenth Circuit reversed a lower court decision denying a railroad company's motion to intervene in the United State's CERCLA §107 action against 44 PRPs concerning a hazardous waste site owned by the railroad company. The government...

WildEarth Guardians v. U.S. Forest Serv.

The Tenth Circuit held that the owner of an underground coal mine may intervene in an environmental group's NEPA action concerning the U.S. Forest Service's approval of venting of methane gas from a mine. The lower court denied the...

United States v. Metropolitan St. Louis Sewer Dist.

The Eighth Circuit affirmed a lower court decision denying a business trade association's motion to intervene in a CWA enforcement action filed against a local sewer district by Missouri and the United States. The complaint alleges that...

United States v. ExxonMobil Corp.

A district court held that a nonsettling potentially responsible party (PRP) may intervene in a consent decree between the United States and settling PRPs concerning the reimbursement of response costs incurred at the Beede Waste Oil...

Natural Resources Defense Council v. Norton

The court grants a local water authority's motion to intervene in a case brought by environmental groups challenging the validity of the U.S. Fish and Wildlife Service's biological opinion concerning the coordinated operation of the...

State v. Kennecott Corp.

A court denies motions to intervene and set aside a consent decree concerning the cleanup and restoration of contaminated groundwater. The motion to intervene was filed 10 years after the consent decree was entered, there has been...

Georgia v. Corps of Eng'rs

The court reverses a district court judgment denying Florida's and a hydropower company's motions to intervene as defendants in Georgia's lawsuit against the U.S. Army Corps of Engineers (the Corps) to compel the Corps to increase the...