Serious lead poisoning cases are a growing problem on the continent.
Unregulated and hazardous lead acid battery manufacturing and recycling plants are often adjacent to residential areas, agricultural and grazing lands.
Some supplement products contain substances that are harmful.
Getty Images / David Malan
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.
If you want to swim in the Yarra River, you can check the water quality to see if it's safe. If you want to swim in the Nepean River, you can't – and that's a problem.
As a hospital outbreak kills nine in England, the future of food safety at least looks brighter.
A police officer stands next to a rubbish bin that has been cordoned off in Salisbury, Britain, 05 July 2018.
Former Russian spies Alexander Litvinenko and Sergei Skripal were both poisoned – one polonium, the other by Novichok. Now that there's been another nerve agent case, what's the difference?
Hundreds of people have been warned after former Russian spy Sergei Skripal was poisoned with Novichok nerve agent.
What’s in the water?
AP Photo/David J. Phillip
Natural disasters expose people to toxic gases, bacterial illness and other serious dangers. How can people maximize their safety as they return home?
Bacteria cultured from a sample of air in a public building.
When jetting off on holiday, we rarely give a second thought to what microbes we might be taking with us. But humans spread trillions of bacteria around the globe, potentially harming ecosystems' balance.
As many people have had to wade through floodwaters, they need to be aware of the risk of infection and disease from contaminated waters.
AP Photo/David J. Phillip
As Houston continues to rescue residents whose homes were ruined, it also begins to deal with issues related to contaminated floodwaters and overflowing reservoirs. It won't be easy.
Artist’s impression of Cassini ending its life as a fireball in Saturn’s atmosphere.
Cassini is about to crash into Saturn to avoid contaminating its habitable moon Enceladus.
Apples bob around in ‘red sludge’ after an accident in Hungary.
Bernadett Szabo / Reuters
Highly-alkaline industrial waste is usually sent to landfill. But while it might be dangerous, it's also useful.
The dark streaks on Mars’ hills will be a good place to look for life.
Credit: NASA/JPL/University of Arizona
Water on Mars could mean life on Mars. But how do we explore it without destroying it?
Noodle brand was an instant hit in India but the wider issue the country must tackle won't be so quick to solve.
Not cool enough yet.
Engineers at Fukushima nuclear power plant have been trying to create a £185m ice wall to isolate contaminated water from mixing with groundwater. However, there has been a steady stream of news articles…
Soft, surface-ripened cheeses, such as Brie and Camembert, are most likely to transmit listeriosis.
Soft cheeses made by Jindi were recently recalled in Victoria, after they were linked to the deaths of three adults, a miscarriage, and a score of other cases of “listeriosis”. The case is a reminder of…