The textbook deals with the conceptual and categorical apparatus of ecological and economic security , Approaches and methodological tools for its assessment , The methodology of rating and selection of investment projects on the basis of criteria of ecological and economic security is given , mechanism of accounting for the ecological and economic situation of the territory in the investment sphere . The textbook instills the skills of forming a diagnostic picture of the ecological and economic security of the region, develops the analytical abilities of students to assess the current ecological and economic state of the region. The manual can be used both for independent training of students, and in the theoretical and practical part of the course . The textbook was prepared with the financial support of the Russian Humanitarian Science Foundation (RGNF project No. 11-32-00215a1) .