The Development of Urban Logistics in Public Transport Systems in The Light of the COVID-19 Pandemic – The Case of Poland

Highly urbanized cities are important engines of the economy, being places of meeting, creativity and innovation, and centers of services provided to their surrounding areas. Due to their population density, cities have the potential to save energy and transform towards a low-carbon economy. Cities are also places where problems such as unemployment, segregation and poverty are concentrated. More than half of the world's population lives in cities, and this number will increase even further.