In an en banc decision, the First Circuit affirmed in part and reversed in part summary judgment for an environmental group in a CWA citizen suit against developers of a construction site in Massachusetts. The group argued the developers violated the CWA by failing to comply with the construction ge...

The Ninth Circuit vacated EPA's denial of a petition to cancel the registration of the pesticide tetrachlorvinphos (TCVP). An environmental group petitioned the Agency to cancel the registration of TCVP for use in household pet products, and EPA denied the petition. The group argued the Agency erred...

The Ninth Circuit affirmed a district court's denial of summary judgment for environmental groups in a challenge to the Forest Service's allowance of livestock grazing in the Stanislaus National Forest. The groups argued the grazing led to fecal matter runoff that polluted streams in the area, impai...