Ecological Systems and Devices Annotation << Back The mean level of the World ocean is the climate and ecological change indicator Lupachev Yu.V. The mean level of the World ocean is the good parameter of changes of the Earth climatic system. Contemporary rise of the mean sea level reflects the approaching phase of global climate warming. Continuation of mean sea level rise will be to create during the XXI century negative economic and ecological consequences therefore realization of protective actions will be necessary.