This article analyses the Environmental, Economic, and Social impact (EES triangle) of the mining project proposed by Roşia Montană Gold Corporation (RMGC). The results show that this project is not truly favourable for Romania, taking into account that the environment would be strongly affected if technological errors occurred, and if cyanide were used to separate the gold from ore. At the same time, the number of places of work created would be for a determined period of 25 years, and the profit obtained by Romania is minimum, compared to the profit of the company. In this context, the mining project would also bring prejudices to the local archaeological site, by removing elements which could elucidate certain historical aspects from the past. Therefore, is this mining project according to the concept of sustainable development
