How Did we Save the Ozone Layer?

Chennai, São Paulo, Mexico City, Tehran, Cape Town - these cities have all faced the threat of a ‘Zero Day’, or, having no fresh water left in their taps. The UN says we’re entering a ‘water bankruptcy’ era, meaning our water ‘current accounts’ are running empty, while our ‘savin ...  Show more

Bangladesh will hold a national election in February, after years of political turmoil and the ousting of long-time leader Sheikh Hasina. Her rule of more than a decade delivered strong economic growth but was also accompanied by tighter political control and repeated confrontati ...  Show more

In 1985 British scientist Jonathan Shanklin and colleagues published a study that shocked the world. The study revealed a hole in the Earth’s atmosphere right over Antarctica. It had been caused over time by chemicals known as CFCs, used in things like fridges, air conditionin ...

In 1985, British scientists made what would turn out to be one of the most important environmental discoveries of the 20th century - finding a hole in the earth’s ozone layer.The British Antarctic Survey, based in Cambridge, had been monitoring ozone levels for more than 30 years ...  Show more

Victoria Gill and guests discuss the signs and symptoms of melting ice and anthropogenic climate warming, illicit CFC production and the racket we make in the seas. As two robotic missions from UAE and China arrive at Mars , and a third from NASA arrives next week, UK astronaut T ...  Show more

00:47 Wildfire smoke’s chemical composition enhances ozone depletionSmoke from the devastating Australian wildfires of 2019-2020 led to a reduction in ozone levels in the upper atmosphere, but it’s been unclear how. Now, a team proposes that smoke’s particulate matter can enhance ...  Show more