How to develop a green conscience was one of the most frequently raised questions during the half-day meeting “We expect that by 2050 the numberof people living in Polish cities will reach 70 pct of the population,” remarked Magdalena Stretton, providing an alarming perspective to the first panel of the Eurobuild conference, which took place at the Sound Garden Hotel in Warsaw. The director of Arcadis, who was the moderator of the panel, also pointed out that it requires a strategy to create green, sustainable cities. Shortly after this the urban challenges and the barriers that are encountered in their sustainable development were outlined by local authority representatives – Jarosław Dąbrowski, the deputy mayor of Warsaw, and Władysław Łokietek, the mayor of Karczew. “We can’t afford the cheapest solutions. We must invest in something that is good or even the best – and this quality is costly,” argued Ewa Mikos Romanowicz, the business