V.I. VERNADSKY ABOUT GEOCHEMISTRY OF ENVIRONMENT
He article presents the basic conclusions of academician V.I. Vernadsky published in new editions of his selected scientific works dealing with environmental geochemistry (in form of quotations). The author gives his comments in the light of modern science advancement, in particular, on vital problems in geochemistry of the living matter, living matter mass constancy, archebiosis and abiogenesis process, geochemistry of technogenesis, isotope geochemistry, nuclear power engineering, and uranium contamination genesis. Significant scientific contribution of V.I. Vernadsky into solving of the above problems and his most controversial views on the crucial role of life in formation of atmosphere (particularly free oxygen), as well as living matter mass constancy since archean era are emphasized.