On August 12, World Caspian Sea Day is celebrated, a day designed to draw attention to the preservation of the unique ecosystem of the Caspian Sea, its natural resources and biological diversity. RSE Kazhydromet continuously conducts hydrological and environmental monitoring of the Caspian Sea, studies changes in its level and water condition, and also monitors hydrometeorological characteristics. We wish everyone involved in the study and conservation of the Caspian Sea success in their work, new scientific discoveries and effective cooperation in the name of preserving this unique natural heritage! By protecting the Caspian Sea today, we are preserving it for future generations.