Climate change may boost toxic mercury levels in sea life
Increased runoff shifts marine ecosystems, concentrating more of the contaminant in food webs, experiments suggest
![researcher working with mercury](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/01/012717_TS_mercury_main.jpg?fit=860%2C460&ssl=1)
MEDDLESOME MERCURY Increased runoff into Earth’s oceans could increase methylmercury concentrations in marine ecosystems by altering the food web, new laboratory tests show. Here a researcher adds methylmercury to a vat containing coastal microbes.
Sofi Jonsson