A new global standard on tailings dams aim to prevent mining disasters like the Brazil dam collapse in 2019 – but there's more to do.
The Trump administration is supporting new mines in Alaska and Minnesota that many opponents say could devastate sensitive areas around them.
One of the most interesting developments to emerge from the disaster in Brazil is how investors can work together with mining companies and regulatory bodies to improve tailings management systems.
Mine communications are complex, slow and unreliable. The solution to keeping miners safe, and rescuing them when disaster strikes, might just be in their hands already.