SOJC multimedia journalism grad students tackle Portland's air problem - AroundtheO

AroundtheO
SOJC multimedia journalism grad students tackle Portland's air problem
AroundtheO
Three years ago in Portland, Oregon, the U.S. Forest Service began a groundbreaking study into the Rose City's air quality. Knowing that elemental concentrations found in moss reflect what's in the atmosphere, they were able to use samples of the plant ...