The growth of B2C e-commerce market results in the increase of importance of last mile deliveries in the city area. Due to e-commerce's generic specificity, functioning of the deliveries in e-commerce on B2C market is based on home deliveries. Due to influence on the growing demand for deliveries, which consequently could have the impact on traffic and congestion problem as well as city environment, it is important to look for the alternative measures, which will help to reduce this negative impact. In recent years a very interesting and popular solution became parcel lockers as the efficient last mile delivery system. This paper is focused on the assessment of usability of this measure based on the example of InPost company system

The result of ecological aspects being taken into consideration in human activities and aiming at an optimization of the chains of deliveries is an intention to close the loop of deliveries. One of the ways to achieve this aim is an application of the concept of ecologistics. While waste constitutes one of the main elements of ecologistics, it poses the most serious threat to the natural environment. The state’s ecologic policy for the years of 2002–2010 was a document to support the activities of communes aimed at environmental protection. Long-term objectives are to be realized within the framework of the Strategy of the Sustainable Development of Poland by the Year 2025. In this article, an attempt was undertaken of a critical interpretation of American and European views in this area. The possibilities of the optimization and polyoptimization of the behaviors of individual and group inhabitants in the context of logistics chains modelling were highlighted. Standardized indexes will permit an effective assessment of the behaviors of a human or a given society referred to the economic (business) values in an area determined by the necessity of the functioning of ecologistic chains (this activity is proper to the objectives of designing and an objective assessment of the functioning of ecologistic chains).