[The problems of ecology are the problems of all mankind].
Chikin
S Ia
SIa
D004463:Ecology; D004782:Environmental Health / Q000639:trends; D004787:Environmental Pollution / Q000009:adverse effects / Q000517:prevention & control; D014943:Global Health; D006801:Humans
Problemy ékologii--problemy obshchechelovecheskie.