Latest Ohio derailment poses no public risk, officials say

Authorities in Ohio say there is no indication of any risk to public health from the derailment of a Norfolk Southern cargo train between Dayton and Columbus, the second derailment of a company train in the state in a month.

Researchers uncover new water monitoring technique

Water is a vital resource, and clean water is a necessity. Texas A&M University researchers have developed a new technique to monitor one of the key processes of purifying water in real time.

Artificial sweetener as a wastewater tracer

Acesulfame is a sweetener in sugar-free drinks and foods. As it cannot be metabolized in the human body, the sweetener ends up in wastewater after consumption and remains largely intact even in sewage treatment plants. A ...

Swiss native fish in troubled waters

More than half of Switzerland's native fish species are threatened with extinction or are already extinct within the country's waters, a new assessment showed Wednesday.

page 8 from 40