Barcelona is a dense city geographically bounded by the Mediterranean Sea, the Collserola mountain range, and the Besós and Llobregat rivers. It has a Mediterranean climate with warm and humid summers, and mild and humid winters. Nowadays the city is currently dealing with environmental problems related to high levels of pollution and urban heat islands. Its air presents a particle matter concentration of up to 56 ug/m3, and nitrogen dioxide (NO2) levels up to 200 ug/m3.
→ Continue reading at World Landscape Architecture
