The final work includes a complete description of green logistics, its implementation difficulties and advantages for logistics companies in the European Union. The thesis analyses the impact of green logistics on a company that has implemented it, calculating the efficiency gains and cost reductions. It also analyses the development of green logistics in Latvia and its manifestations. The study explains the benefits not only for the company that switches to greener logistics, but also the positive changes for the environment. The thesis consists of 4 parts, theoretical aspects, the advantages, difficulties and challenges during the implementation of green logistics and the practical part.