The paper discusses the problem of stabilizing the level of greenhouse gases and a political approach to its solution. International agreements and their impact on the economies and ecology of countries are presented. The documents submitted in accordance with the order dated November 8, 2018 No. 661 “On the approval of statistical tools for the organization of the federal statistical observation of atmospheric air protection by the federal service for supervision in the field of environmental management” in the period from 2018 to 2020 were analyzed. The dependence of the reduction of emissions of pollutants into the atmosphere is correlated with the measures taken by the government of the Russian Federation to adapt to climate change. The analysis of methods of accounting for the absorption of greenhouse gases from the atmosphere by such countries as Canada, the USA, and Russia is carried out. The disadvantages and advantages of the methods of accounting for carbon sequestration by forests and their influence on the research results are listed. It is concluded that it is necessary to develop an effective methodology for accounting for the absorption of greenhouse gases from the atmosphere by forests to create an independent system for accounting for the level of greenhouse gases, as well as Russia’s entry into the international quota market, which will ensure the development of the economy and projects for improving the environment.

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Terrestrial laser scanners have sophisticated specialized software that makes it possible to measure three-dimensional coordinates of a huge number of points in a short period by registering vertical and horizontal angles. To determine the spatial position of the scanner and the coverage of the area of interest on one scan, special marks are placed around the scanner. These marks are used for further high-precision scan matching. The problem of the process of recognizing the center of black and white marks during field shooting, as separate from the scanning process itself, is a separate task, which has not been sufficiently studied. The purpose of the experiment is to establish the correctness dependence of the mark center recognition on its various characteristics. The technique is the experimental component and theoretical analysis of the obtained material. The experiment was carried out under the same conditions, so that the influence of the distance from the device to the mark, a change in the angle between the laser beam and the mark plane could not affect the recognition correctness of the mark center. In the course of the experiment, 8 marks were prepared with a non-standard view and size, as well as one standard black and white mark, to check the reliability of the data obtained (diameter 74.1 mm, two opposite sectors are black, and the other two are white). This experiment showed that the process of recognizing the mark center depends on the combination of the following characteristics: mark geometry, mark color, the opposite sectors of the mark.

The paper considers possible aspects of unmanned aerial vehicles (UAVs) to predict and prevent dangerous situations associated with floods, waterlogging, and stream rise in the territories of settlements in modern conditions. Besides, a historical analysis of such cataclysms was carried out for the period from 2019 to 2020, which deserves the special attention of scientists. The relevance of the paper is undoubted, since the symbiosis of nature and man gives rise to destructive phenomena against the background of an incorrect interaction of these two units. The paper is divided into 5 main sections, which include: introduction, history of floods, possible use of UAVs in water accidents, and further actions after the work of UAVs is done and the conclusions.

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