TY - RPRT AU - United Nations Environment Programme A4 - Notten, Philippa A4 - Gower, Alexandra A4 - Lewis, Yvonne PY - 2022 SN - 978-92-807-3924-4 UR - https://wedocs.unep.org/handle/20.500.11822/40121 LA - English KW - recycling KW - life cycle KW - COVID-19 KW - environmental aspect KW - surgical mask TI - Single-Use Face Masks and their Alternatives: Recommendations from Life Cycle Assessments M3 - Technical report ER -