Gravel gardens lead to heat islands and destroy habitats. They worsen flood risks due to the lack of infiltration possibilities. St. Ingbert calls for increased greening to improve the microclimate and protect biodiversity.
The Green Party Saar calls for a photovoltaic mandate in Saarland, modeled after Rhineland-Palatinate. Starting in 2023, new commercial parking lots should be equipped with solar panels to significantly reduce business electricity consumption and improve the local microclimate.