Building on or near wetlands and other environmentally sensitive areas is a known challenge in construction. But a new app seeks to automate much of the wetlands evaluation process and then instantly populate the relevant forms and documentation.

It will take more than a year to finalize a rewrite of the controversial WOTUS, which then faces dozens of lawsuits.

Observers see interim administrator Andrew Wheeler (left) staying the deregulation course of his ousted predecessor Scott Pruitt.

Views of EPA administrator split along party lines, except on Superfund.