Topic
Environmental Protection
What a Sewer Overflow Does to a Stream
Twelve years of Philadelphia data show that after combined sewer overflows, dissolved oxygen in smaller streams stays low for days, while the big river barely notices.
Microplastics in Wastewater – Poison Accumulating in Sewage Sludge
Wastewater is one of the most important collection points for microplastics. In conventional wastewater treatment, 80–99% of microplastics end up in sewage sludge.
Nano- and Microplastics – How Much Is Around Us?
Scientific data on the scale of microplastic pollution: how these particles get into our bodies from air, water and food – and what we can do about it.