The power of night

Tony Juniper is an environmentalist who has worn many hats, over the course of his career. After developing a passion for birds in childhood, his first job saw him working to save endangered parrots - including a successful effort to bring back the Spix's macaw from the edge of e ...  Show more

The COP30 climate summit is taking place in the Brazilian city of Belém, a gateway to the Amazon rainforest, which continues to face widespread deforestation. We all know that our climate is changing and that we are largely responsible for this, but we can’t tackle the problem un ...  Show more

In the week of the solstice – the shortest or longest day of the year depending on your latitude - Unexpected Elements brings you tales of darkness and light. We hear about the dark history of sensory deprivation studies and why up until now, we’ve been in the dark about light’s ...  Show more

Guest presented by Liz Bonnin.We all instinctively know that sleep is incredibly important but science doesn’t actually have a satisfying answer for why we need to sleep. There are multiple theories, but now, new research from Imperial College London has suggested that the leadin ...  Show more

Most people in North America can't see the Milky Way. The reason? We're ensconced in a luminous fog of artificial lighting 24/7. The evolution of lighting technology over the last century has made it possible to live, work, and play at any hour - day or night. But light pollut ...

Großstädte in Dunkelheit? Unvorstellbar. Starke Beleuchtung sorgt dafür, dass es dort auch nachts nicht wirklich dunkel wird. Wissenschaftler sprechen von Lichtverschmutzung – mit Konsequenzen für Mensch und Natur.