At the Time-Based Art Festival in Portland, from top: A collaboration by Seattleites Zoe Scofield and Juniper Shuey; Holcombe Waller; "Gatz" by Elevator Repair Service; and Nature Theater of Oklahoma...
A new study concludes that climate-boosted wildfires are significantly altering carbon monoxide levels in the region — and the effects reach far beyond the Cascades.