TY  - GEN
AU  - United Nations Environment Programme
PY  - 1977
UR  - https://wedocs.unep.org/handle/20.500.11822/28271
LA  - English
KW  - ozone layer
KW  - chemical
KW  - cancer
KW  - land degradation
KW  - soil
KW  - food production
KW  - renewable energy source
TI  - The State of the Environment: Selected Topics - 1977
M3  - Communication or other resource
ER  -