Аннотация: Global warming, as one of the important environmental problems of the Earth, can not
find solutions without the direct participation of geographers. N.V. Bagrov in the pages of
his book «Geography in the Information World» continued the dispute, which for 100
years has been waged between supporters and opponents of Arrhenius's idea about the role
of civilization in increasing the content of carbon dioxide in the atmosphere. As well as
V.I. Vernadsky, N. Bagrov understood that it was impossible to reduce all the causes of
the greenhouse effect only to emissions of man-made carbon dioxide. He pointed to the
impossibility of solving the problem only by political methods and invited geographers,
oceanologists, geologists to look for «... natural powerful counterbalances to increasing
the concentration of CO2 that resist the greenhouse effect» [1]. Scientists have proved that
one of the «culprits» of the greenhouse effect is methane, which enters the Earth's
atmosphere from its bowels.An example of a cold shelf degassing is the outputs gases
from the underwater part of the beach area Laspi Bay. The composition of gas bubbles
fluid presents methane, ethane, propane and hydrogen sulfide, it testifies to its deep
genesis. Facts about the presence of hydrogen sulfide in the gas require to review the
principle of the formation the balance of hydrogen sulphide zone only due biological
processes. Without regard modern geological processes, that is taking place in the Black
Sea, is impossible to predict the geo-ecological condition of the hydrogen sulphide zone
and the position of its upper border.The results of geological research outputs cold
degassing of hydrocarbons in the underwater part of the beach area of the bay Laspi
confirm that carbonate structures with oasis of life is formed in the active geodynamic
environment around the gas jets. It is represented by gravelstones and pebble beds that are
cemented with aragonite and calcite. The formation of carbonate cement conglomerates in
the beach area is connected with vital activity micro-and macro fauna and flora local
biocenosis. High speed cementation of pebble allows to suppose that modern carbonate
structures from great depths of the Black Sea and other have a younger age.The authors
hypothesize that archaea receive oxygen (for the formation of organic substances and
oxidation of carbon and sulfur) at the expense the decomposition of water. In the future,
this method of producing oxygen was adopted by cyanobacteria and fauna. Therefore, at
the bottom of the Black Sea hydrogen sulphide zone at bacterial mats with modern
degassing aerobic fauna finds life are possible.