Fields of seasonal and long-period variability of the total ozone content (TOC), including circumpolar regions, have been studied. It is shown that long-period variability of all TOC series (with spatial resolution of 3° latitude x 5° longitude) comes down to parametric resonance with the lowest frequency of tidal oscillation (18.6-year period). After eliminating this effect, series trends for all cells (3° x 5°) become vanishingly small (having different signs) and statistically insignificant. The obtained results are completely incompatible with the anthropogenic version of “ozone depletion”. It is demonstrated that the revealed phenomenon of parametric resonance is also observed in the lithosphere with regard to the global tectonic activity.