Nearly 1,800 Brazilian dams are at risk of failure, according to the government. Fixing them is expensive – but ignoring aging dams can have considerable social, economic and environmental costs.
The industrial patterns of mining shaped many Australian towns, which found varied uses for disused mine sites. The mining boom ensures the challenges these sites present will be with us a long time.
In just a few years, Burkina Faso has become the fourth largest gold exporter in Africa. But with 43% of the population still below the poverty line, what are the local benefits?
People living close to mine dumps are more inclined to show symptoms of asthma.
The legacy of the dirtiest of fuels – coal – has the potential to deliver a low carbon energy future.
What do you do with a giant pit mine once it closes? One option for the Hazelwood mine is creating a recreational lake – but there are economic and environmental issues to consider.
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.
Rehabilitating old mines is a crucial responsibility for the industry. But many Australian mine sites have been simply left alone or left for the taxpayer to fix.
Constant, complex changes in cities and mine sites are hard to monitor. Drawing on digital aerial photography, it's now possible to track land-use and vegetation changes in areas as small as 10-20cm.
Parents in three Australian states are being given misleading advice about the dangers of lead to babies and small children – including failing to warn pregnant women about miscarriage risks.
Mining waste rock from historic mines or even treated sewage to find useful metals and minerals could be a sustainable way to meet demand for these finite resources.