TY  - GEN
AU  - United Nations Environment Programme
PY  - 2022
UR  - https://wedocs.unep.org/handle/20.500.11822/40550
LA  - English
KW  - emblem
KW  - visual communication
KW  - trademark
KW  - photography
KW  - air pollution
KW  - air quality
KW  - brand name
KW  - branding
TI  - Visual Identity Brand Guidelines: Version 2022 - International Day of Clean Air for Blue Skies
M3  - Communication or other resource
ER  -