A timeline of past megaquakes and tsunamis generated by the Cascadia fault leaves one clear message for the coastal Pacific Northwest: Prepare.

"The Confederated Tribes of the Umatilla Indian Reservation are leading the drive to push Oregon to adopt the nation’s strictest rules against toxic pollution of the state’s waters."

Environmentalists say mercury emissions from the TransAlta coal-burning electric power plant in Washington state are dangerous.

"Oregon is poised to adopt the strictest standard for toxic water pollution in the United States, driven by concerns about tribal members and others who eat large amounts of contaminated fish."

"Formerly rare beak deformities are spreading rapidly among crows in southwestern B.C. and Puget Sound, according to researchers from the U.S. Geological Survey."

Portland, Oregon is completing a network of "Big Pipes" to replace its aging combined sewer overflow system and reduce the flow of sewage and stormwater into the Willamette River. But how long will this pipe do its job unless it is accompanied by more investments in "green infrastructure" as well?