This article is devoted to the important procedural institute of environmental expertise, which has been created relatively recently in the domestic legal process. Environmental safety should not be reduced to the elimination of the occurred harmful consequences, prognostic moments and propaedeutic activity are very important, which requires a special type of control and application of special knowledge for these purposes. The introduction shows the complexity of organization and implementation of environmental expertise, outlines the scope of analytical objectives included in the considered segment. The authors study the material, procedural and tactical aspects related to this institute; show the significance of its development for environmental protection. In the course of description of materials and methods of research, conclusions are formulated about the demand for this format of research, prospects of its use in proving criminal and civil cases. The idea of the complexity of the definition of the expert objective in the highlighted segment is substantiated, as there are no clear ideas about the capabilities of science in this special field. The results obtained in the paper are presented in the form of concrete proposals for determining the paths of development of the considered institution. According to the authors, the complex researches carried out at the intersection of related spheres of specialized knowledge are most in demand. This approach allows to broaden the subject of analysis and gives the obtained results theoretical and applied validity. The methodological basis for the study of the selected moments is based on the combination of axiological aspects and systemic principles with the application of the activity component. The methodological part reveals and substantiates the most effective means and ways of this kind of research for investigation of environmental crimes and consideration of civil law disputes related to natural objects. The discussion formulates the reasons that hinder the development of this type of expertise, with certain proposals to overcome them.