The Portland International Airport banned ads by Oregon Wild as part of a campaign to defeat a Congressional bill to increase logging on federal forests.
The White House says it could veto a bill to boost logging on national forests.
Oregon environmental groups will push for increased logging restrictions if a federal bill to boost harvest passes Congress.
A federal judge ruled to keep protections in place for a threatened coastal seabird, another defeat for the timber industry.
Campaigns on proposals to increase logging in western Oregon federal forests are ramping up.