The D.C. Circuit dismissed in part and denied in part a petition to review EPA's 2016 revisions to its ambient air quality monitoring system regulations. An environmental group argued that the revisions violated the CAA by not requiring states to give advance notice and hold a public hearing when ma...

A state high court affirmed a lower court denial of landowners' and an environmental group's petition to review a decision by the Iowa Utilities Board authorizing a company to use eminent domain to build a crude oil pipeline. The landowners and group argued the pipeline did not serve the "public con...

A district court granted in part summary judgment against EPA for failure to implement its 2016 Emission Guidelines and Compliance Times for Municipal Solid Waste Landfills. Eight states argued that the Agency failed to implement and enforce the guidelines by (1) failing to approve or disapprove exi...