We, the undersigned scientists, hereby express our deep concern and strong opposition to the planned construction of the mini-hydroelectric power plant (MHP) "Studenica S4 - Gradina" on the Studenica River, in the city of Kraljevo, and we provide full support to the demands of citizens and their associations, and especially the citizens of Usce, for the suspension of all activities for the construction of the MHP in question, the prohibition of its construction, and the protection of the entire course of the Studenica River and its gorge.

On the occasion of World Water Day, the Network for Public Access to Water (Red Agua Pública - RAP) organized the event Public Policy and Water Justice in the Light of Water Financialization, held at the Congress of Spain.

The organization for political ecology Polekol sent a complaint to the Berne Convention, warning that the construction of the small hydroelectric plant Gradina on the river Studenica will endanger protected habitats and species of international importance.

Since April 2023, crayfish and the citizens of Prijepolje have been waiting for the declaration of the Ratajska river basin as a protected natural resource.

On the upper reaches of the Crni Timok, in the village of Mali Izvor in the municipality of Boljevac, in the immediate vicinity of the "Ponorske ćuprije" bridge, large amounts of sand and gravel were illegally mined during the winter, which led to the destruction of a part of the river bed and shore, damaged the habitat of protected species, and altered the course of the river, which caused catastrophic ecological consequences.