Glacier is among the National Parks scheduled to have a completed ATMP by August 31, 2022. Agencies received 2,668 comments in support of a complete phase-out in Glacier. Quiet!Glacier continues to advocate for a definition of 'natural attrition', and emphasize the need for a sunset date - one by which Glacier will have quiet skies, so that National Park visitors can "hear in a disappearing world." Click here to listen.