Corals protect humans and sustain 25% of all marine life. But reefs are under threat from climate change, and mass bleaching events mean that some scientists estimate they could disappear by 2100.In this episode, Graihagh Jackson is joined by BBC CrowdScience presenter, Caroline ...Show more
Should we mine the deep ocean?
In the global race for critical minerals - could the seabed provide solutions? Or should we leave these metal-rich environments undisturbed? Governments and mining companies around the world are on the hunt for the critical minerals we need for the green tech transition. And ther ...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
Even with the best efforts, it will be decades before we see any change in global temperatures through our mitigation efforts. Given the pace of global heating and the time lag before our emissions reductions have any impact, scientists are exploring additional ways of reducing g ...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
Tai tries to do his part by recycling whenever he can. But it turns out just tossing stuff into the blue bin doesn't do a whole lot: less than 10 percent of our plastic waste actually gets recycled, with the rest either ending up in landfill, burned or shipped overseas! How did w ...Show more