FILE - A cougar at the Philadelphia Zoo. October 2007. (Wikimedia Commons)

11-year-old Wash. girl kills cougar

The girl shot a cougar that was following her 14-year-old brother to their home. It was the third cougar killed in a week outside the town o…

Bill Ryan, Portland Bureau of Environmental Services chief engineer, stands over a bioswale on a footbridge made from leftover pipe from the bureaus Big Pipe project that limited sewage discharges into the Willamette River. February 2014. (Portland Tribune/Jaime Valdez)

Green streets: Function or frill?

Portland was the early poster child for green street infrastructure around the country. Are its bioswales and related Green Streets projects…