The chemical was banned in the late 1980's, but scientists and environmentalists have long maintained that because of its persistence -- it can remain toxic in the soil for decades after its application -- chlordane is probably still a factor in the ecosystem, passing from soil to insects to birds that eat insects and into birds that eat other birds.
He was Quaker, and he thought that because of its persistence, maybe it deserved to live".
HBCD is categorized as a persistent organic pollutant (POP) because of its persistence, toxicity, and abilities to bioaccumulate and to travel over long distances.
DDT killed bald eagles because of its persistence in the environment.
"Silent Spring" is now killing African children because of its persistence in the public mind.
Because of its persistence, an important question was whether elderly humans might have higher PFOS concentrations.
The control and prevention of HSV-2 infection is a growing public health concern because of its infectivity, persistence, and role as a cofactor in the transmission and acquisition of other STDs, including HIV [ 2, 3, 5, 6, 8, 10, 13].
Harassment: The creation of a hostile, intimidating, disrespectful environment based on race, religion, gender, ethnicity, or sexual orientation, in which verbal or physical conduct, because of its severity or persistence, is likely to interfere significantly with an individual's work or education, or affect adversely an individual's living conditions.
Even with its use banned in the United States for decades, the pesticide DDT (dichlorodiphenyltrichloroethane) has sparked considerable concern pertaining to breast cancer because of its abundance and persistence in the environment, its ability to bioaccumulate in breast adipose tissue, and its endocrine-disrupting activities (Snedeker 2001).
(3) The sea/river ecotype is better adapted than lake-type sockeye or kokanee ecotypes to colonize new freshwater habitat that becomes available as glaciers recede because of its proximity (greater persistence in glaciated habitat) and its greater tendency to stray from natal areas.
"So they were equally bad at seeing the B.S. in both". In the third and fourth, mundane statements (like "Most people enjoy some sort of music") and popular aphorisms widely considered profound (like "A river cuts through a rock, not because of its power but its persistence") were included to make sure that people weren't merely branding everything as profound.
