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 five-year battle over a bag of clams shows how a reliance on century-old treaties can lead authorities to treat members of some tribes differently than others.
Coastal gardens once saw harvests that rivaled today's commercial fisheries without exploiting the land. Some Native communities are now reviving the tradition.