Reports from baby food companies show questionable levels of arsenic, lead and other heavy metals. Here's what parents need to know.
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Articles on heavy metals
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New research fired laser beams on tiger snake scales, and found arsenic was 20-34 times higher in wild wetland snakes than in captive snakes.
New research points to 'heavy metals' having unseen effects on a much larger scale than previously thought.
Australia has failed to ratify an international treaty to reduce harmful mercury emissions. Mercury exposure can cause kidney damage and brain impairment, especially in children.
We must stop using biosolids for farmlands immediately, especially when alternative ways to recycle wastewater sludge already exist.
Dams built to hold enormous quantities of toxic mining waste have a long history of spills. Decisions in the Pacific Northwest threaten three free-flowing rivers there.
Americans love their supplements, but some of the products are contaminated with heavy metals, bacteria and toxic fungi. The FDA has little control because of a law passed in 1994.
The solids from wastewater plants are usually dumped into landfills because they are contaminated with heavy metals. Now there is a way to remove the metals so the waste can be used as fertilizer.
The Great Lakes contain reservoirs of legacy contaminants, mostly in their sediments, that are vulnerable to resuspension.
Urban pollutants are a health concern in growing cities. Scientists are turning to honey bees to help monitor contaminants in soil, water, air and plants.
Until the recent observation of merging neutron stars, how the heaviest elements come to be was a mystery. But their fingerprints are all over this cosmic collision.
Ordinary grey bird feathers placed under X-ray fluorescence reveal beautiful patterns of elements like zinc, telling a story of feather growth and the environments the birds have experienced.
Glencore has admitted responsibility for air pollution in Mount Isa, but its latest report puts the onus on residents to minimise their exposure to lead contamination in their homes.
Food-borne diseases will continue to thrive unless Africa's meat inspection programmes are upgraded.
A wake-up call from Flint: the U.S. has made great gains in reducing lead exposure, but the country is still saddled with millions of miles of water-carrying lead pipes.
Newly released data show how the hundreds of abandoned mines in the western US discharge the same volume as the Gold King Mine spill every two days.
Top contributors
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Distinguished Professor and Head of the Department of Pharmacy Practice, University of Connecticut
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Professor of Environmental Science and Human Health, Macquarie University
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Senior scientist, Macquarie University
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Senior Lecturer in Marine Ecosystem Management, University of York
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Professor, Australian National University
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Ronald R H Cohen is a Friend of The Conversation.
Emeritus Professor of Civil and Environmental Engineering, Colorado School of Mines
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PhD Candidate in Environmental Science, Macquarie University
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Recent PhD graduate from Cornell University, Cornell University
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Professor of History and Director of the Center for the Study of Inequalities, Social Justice, and Policy, Stony Brook University (The State University of New York)
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Professor of Aquatic and Fishery Sciences, University of Washington
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Chair professor, Australian Nuclear Science and Technology Organisation
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Professor of Physics, Syracuse University
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Professor of Astronomy, Harvard University
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DECRA fellow, Australian National University
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Research Manager, University of British Columbia
