ENThe article deals with the legal acts of the Republic of Lithuania regulating the use, management, protection and preservation of urban green plantations that have been passed after the restoration of Independence of the Republic of Lithuania. It provides a substantiation of the conclusion that protection of the environment and of its components is a problem belonging to the constitutional level; therefore, legal preconditions for its solution as well as guarantees have to be established in the law. The article notes that the protection of urban green plantations and green areas is also an object of the application of respective international legal documents. Therefore, the obligations of the Republic of Lithuania (or its aim to assume such obligations in the nearest future) also requires that the problems of interest to the international community (among which the ecological ones are becoming a priority) should be solved on the top, i. e. parliamentary level. Meanwhile the trend is that certain issues pertaining to the regulation of the protection of urban green plantations and green areas, which, according to the hierarchy of legal acts enshrined in the Constitution, fall under the realm of the Seimas are regulated by secondary legislation. This shows that the process of legislation faces a problem of systematisation of the legal acts ensuring the regulation of the use, management and protection of urban green plantations. The article also analyses the said legal acts from the historic comparative point of view.