The relevance of the study lies in the need to assess the influence and significance of socio-political movements in stimulating political and social changes, in this case, the anti-nuclear movement in Kazakhstan. This will allow for a deeper understanding of the complexity and multidimensional nature of organised collective actions and may inform future research and policy development related to nuclear testing, environmental issues, and public health. The article aims to define the philosophy of the international anti-nuclear movement, “Nevada-Semey” (“Struggle for (...) peace, on their own land”). The authors point to the causal link that the researched international anti-nuclear campaign is a social phenomenon that emerged as a consequence of the Semipalatinsk nuclear test site activity. Therefore, the academic writings, and normative documents concerning the work of this nuclear testing ground and its consequences for the environment and human health are analysed first of all. Journalistic studies, scientific articles, and monographs on the international anti-nuclear movement “Nevada-Semey” are studied and analysed. The authors of the article found and investigated that the studied campaign had its philosophy, along with the main goal it was concerned with humanitarian aid and legal provision for residents of settlements affected by the polygon. (shrink)