Approach for assessing environmental handprints Laura Lakanen, Kaisa Grönman, Heli Kasurinen, Saija Vatanen, Tiina Pajula, Katri Behm and Risto Soukka E3S Web Conf., 349 (2022) 12001 Published online: 20 May 2022 DOI: 10.1051/e3sconf/202234912001