Enviromental Protection is a location-based challenge in the Hero's Pass in Borderlands 2. To complete this challeenge, three grinder arm control panels must be destroyed. This challenge is worth 1 Badass Rank.
- Past the collapsed bridge, there is a grinder Southeast of a Hyperion 'Emergency Supply Cache' building. The panel is on a ledge.
- Down the stairs an just before double bridge, there is a panel straight ahead. The control panel is by the yellow vertical grinding against a cliff.
- Past the double bridge and to the right, there is a control panel with a yellow vertical grinder against a cliff.