Birləşmiş kanalizasiya daşmalarının Filadelfiyada su keyfiyyətinə təsiri necədir?
phys.org 16.10.2026 16:00 7 baxış
In Philadelphia and many urban areas across the U.S. with sewer systems dating back to the 1800s, more frequent flooding is posing a threat not only to people and property but also to surrounding ecosystems. In these are