What we can do with our waste

Misha Glenny and guests discuss one of the wonders of the natural world. In 1875 in the western Pacific, the crew of HMS Challenger discovered the Mariana Trench which turned out to be deeper than Everest is high, by two kilometres. Trenches like Mariana form when one tectonic pl ...  Show more

Late Zimbabwean president Robert Mugabe died in 2019, but in the years before and since his death, his three children with his former wife, Grace, consistenly made headlines for all the wrong reasons. In April 2026 Bellarmine Mugabe pled guilty to a firearms offence in South Afri ...  Show more

Waste, trash, garbage – whatever you call it, unwanted materials have become a major presence in many of our lives and our environment. Every year it is estimated that humans around the world produce 2 billion metric tonnes of waste. Listener Clare from Devon in the UK wants to s ...  Show more

The recycling bin — many of us have learned to view this humble container as an environmental superhero. It is, after all, the critical first step in turning our trash into… well, not treasure, but at least more stuff. Or is it? In this episode, we take a look at the science, hel ...  Show more

Plastic is everywhere. It’s in our homes, grocery stores, oceans, soil and even our bodies. While the invention of plastic has advanced our world, it has seriously damaged our environment and our health. In this investigative four-part series, hosted by Emmy award-winning journal ...  Show more

Flushing the toilet: an act that most of us carelessly perform several times a day, but that for 4.2 billion people in the world is still a luxury. Kim Chakanetsa talks to two pioneering engineers about the crucial role wastewater management plays in society, including how sew ...