The Fifth Circuit stayed EPA's regional haze plan for Oklahoma and Texas until the underlying petitions for review challenging the rule are resolved.

The Fifth Circuit, in an unpublished opinion, directed the Louisiana Supreme Court to define the meaning of "good faith" as it pertains to an underlying whistleblower suit.

The Supreme Court of California held that the state may enter and conduct environmental and geological studies and testing on more than 150 privately owned properties in the Sacramento-San Joaquin Delta that the state might seek to acquire for construction of two new tunnels to deliver fresh wate

The D.C. Circuit upheld EPA's decision to invoke its veto authority under CWA §404(c) and withdraw two disposal sites from a CWA permit issued by the U.S. Army Corps of Engineers for a mountaintop coal mining project in West Virginia.