Wildfire Mitigation Clean Up Event - Happy Valley Nature Park (SE Greiner Lane near the Nature Park Trail entrance)   City of Happy Valley, in partnership with the Oregon National Guard, Clackamas Fire, National Charity League, Boys Team Charity, Parr Lumber, and dedicated community volunteers, are actively working at Happy Valley Nature Park to reduce wildfire risk ahead of the summer season. This effort is supported by a Wildfire Risk Reduction Grant from the Oregon State Fire Marshal’s Office (OSFM)…