If the US were to stop dumping these valuable metals in landfills and to cease exporting them as cheap scrap, its imports could fall, and there would be less of these metals being made from scratch.
The case of the start-up Phenix shows that the fight to reduce food waste requires a regulatory context that encourages innovation at the level of the business ecosystem.
Under a new target, 100% of Australian packaging will be recyclable, compostable or reusable by 2025. But this is not enough - we also need to ensure that recyclable materials are actually recycled.
The most sustainable phone is the one you already own. But if you're in the market for a new handset, consider choosing one with replaceable parts to avoid having to replace the whole thing again.
With an ever-increasing cost to extract dwindling raw materials, it's time to look at cities as urban mines. We're developing the tools to do that.
Consistent carbon pricing is a key element in the fight against climate change.
Canada ratified the Paris agreement on climate change, but it hasn't yet filled the leadership void left by the United States. Time is running out.
Every day brings new calls for sustainability, as humanity's actual behaviour moves ever further away from it. What can we learn from an obscure Austrian philosopher?
Despite being outcasts in Moroccan society, waste collectors defend their profession as protectors of the environment.
New technologies are developing with exponential velocity, breadth and depth. Their systemic impact is likely to be profound.
This episode explores how one person's waste can be another's treasure. We talk to scientists trying to eke something useful out of big piles of rubbish and discuss making the economy more circular.
Information is assumed to be key to changing people's attitudes and behaviour. Sadly this isn't the case.
There will be huge environmental impact if we keep using raw materials as we did in the 20th century.
Recycling, rental, durability: How three strategies from the "circular economy" can help automobile manufacturers reduce waste and improve profitability, all while helping preserve the environment
Sorry kids, these gift ideas are closer to home.
Digital devices are ubiquitous. A new film looks at where they come from, who makes them, and where they end up when they're discarded.
The Swedish government is rewarding repair work with a tax break to stop people buying unnecessary new products.
Australians send about 4 million tonnes of food waste to landfill each year – but what if we could use it for other purposes?
Australia is among the world's top ten users of electronic and electrical products. But our systems for recycling the resulting 'e-waste' fall a long way short of other rich nations.
It's time to rethink the stack-em-high and sell-em-cheap approach to business.