they are yulia varykina, international economist and dmitry sakharov, biologist chemist.lo, in order not to get confused, by tradition we will call them optimists. although i seem to agree. a cup in the form of baikal and, in general, someone who, and we will not die here. well, in general, i’m already fine, so traditionally my guests are skeptics mikhail prosyannikov, a urologist, good evening and natalia frolova a hydrologist. good evening. hello good evening at the end of the program our guests and optimists will make a forecast of what probability in 10 years humanity will really die of thirst about the history of water, our expert professor kapustin will tell about the main resource of our planet, of course, is water. in fact, there would be no water. humanity would not have appeared. on one side of the water on earth, a lot is one and a half billion cubic kilometers. yes, fresh water reserves are only 3%. but of this amount, 2/3 falls on ice and icebergs, another 1/3, but groundwater, and water reserves in rivers in permafrost lakes. well, they're just insignificant