TY - GEN AU - United Nations Environment Programme A4 - Kremer, Hartwig PY - 2022 UR - https://wedocs.unep.org/handle/20.500.11822/35879 LA - English KW - environmental monitoring KW - freshwater KW - air quality KW - ocean TI - Global Environment Monitoring System & World Water Quality Alliance: Freshwater, Air and Ocean M3 - Communication or other resource ER -