The extreme heat took the lives of 72 people in Multnomah County. Around 100 volunteers planted trees, both as a memorial and to help alleviate heat islands. Read the full story: https://www.kgw.com/article/news/local/trees-planted-2021-pacific-northwest-heat-dome/283-66bebd87-1bce-44d2-9971-5aa50ce04b3f Subscribe: null Watch the latest KGW newscast: https://www.kgw.com/watch Get the KGW app: https://kgw.com/appredirect