The aim of this study was to present economic aspects of pro-ecological investments in agribusiness companies and their reference to the idea of sustainable development of rural areas. Sustainable development should guarantee access to natural resources for all inhabitants of a given community, yet it should not pose a threat to ecosystems and social-economic systems. In order to ensure this, it is necessary to implement a number of investments aimed at the environmental protection. This applies both to local authorities, particular households, farms and business people. Considering the concept of sustainable development on the level of an agribusiness company should primarily mean the protection of the atmosphere, lithosphere as well as efficient waste management. The research showed that economic aspects of pro-ecological investments in agribusiness companies play a key role in their implementation and the formation of sustainable development in rural areas. The pro-ecological investments contribute to the suppression of the progressing environment degradation and actions recognized as environmentally harmful.