We now have a better understanding of the risks associated with mercury – a heavy metal used extensively during the 20th century that can still be found in thermometers, cosmetics, pesticides and more.
Mercury exposure harms the immune system, brain, heart and lungs, sometimes leading to permanent memory loss and language impairment. Even very low levels can cause irreversible damage to humans, animals and flora.
Phasing out the use of mercury is widely supported by governments around the world, and a framework for doing so, the Minamata Convention, was drafted a decade ago.
Now, after much delay, the Australian Government is expected to ratify the convention. ...