Why your tuna could have 36 times more chemicals than others

Researchers at Scripps Institution of Oceanography at the University of California San Diego found levels of persistent organic pollutants as much as 36 times higher in the muscle tissue of yellowfin tuna caught in the more ...

The big picture of Great Lakes mercury pollution

Mercury is a widespread environmental toxicant and pollutant that travels up the food chain onto people's dinner plates. Although a global issue, mercury regulations vary worldwide. Depending on where one lives in relation ...

Urban metabolism for the urban century

Like organisms, cities need energy, water, and nutrients, and they need to dispose of wastes and byproducts in ways that are viable and sustainable over the long run. This notion of "urban metabolism" is a model for looking ...

Munitions at the bottom of the Baltic Sea

The bottom of the Baltic Sea is home to large quantities of sunken munitions, a legacy of the Second World War—and often very close to shore. Should we simply leave them where they are and accept the risk of their slowly ...

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