The latest round of climate negotiations, COP25, have ended without agreement on many fundamental issues. We join researchers from Perdue University in the US who have developed a role-playing game to encourage climate negotiators and others to take a long-term view. Key to this research project is the concept of tipping points, where an environment changes irreversibly from one state to another. This is accompanied by the loss of ecosystems - for example, the widespread melting of Arctic sea ice, rainforest burning or coral bleaching.
The idea is that such tipping points provide a more meaning full focus for the implication of climate change than abstract concepts like temperature rise.
Image: Polar bear in the Arctic Sea (Credit: Coldimages/Getty)
As populations age, pension systems around the world are coming under strain. Governments, employers and economists are searching for ways to alleviate the problem - but could traditional societies hold some valuable lessons?
We have the latest from a year long investigation into the causes of the December 2018 Indonesian Tsunami. And we get a look at the first pictures from the Mayotte undersea volcano, which emerged earlier this year off the coast of East Africa.
As CrowdScience celebrates its third birthday, the team takes time to revisit some of our early episodes, and catch up with listeners to discover if the answers we uncovered changed the course of their lives? We hear from Zach, who has learned to let go of a possibly lost memory and Erin, who discovered technology could hold the key to finding the man of her dreams. And two years after he emailed to ask why he couldn’t kick his habit, we ash Sharif whether he has finally managed to stop smoking?
As CrowdScience celebrates its third birthday, the team takes time to revisit some of our early episodes, and catch up with listeners to discover if the answers we uncovered changed the course of their lives? We hear from Zach, who has learned to let go of a possibly lost memory and Erin, who discovered technology could hold the key to finding the man of her dreams. And two years after he emailed to ask why he couldn’t kick his habit, we ash Sharif whether he has finally managed to stop smoking?
(Photo: Man listening to podcast. Credit: Getty Images)
We have the latest from a year long investigation into the causes of the December 2018 Indonesian Tsunami. And we get a look at the first pictures from the Mayotte undersea volcano, which emerged earlier this year off the coast of East Africa.
Why does Father Christmas wear red and white? It's not for the reason you may think. In an updated version of an episode from 2018, Tim Harford tells the story of Christmas and consumerism.
From the American Geophysical Union in San Francisco, Roland Pease talks with Diana Roman of the Carnegie Institution for Science in Washington DC about the tragic White Island volcanic eruption in which at least eight tourists died.
Aurora Elmore of National Geographic and Arbindra Khadka of Tribhuvan University in Kathmandu Nepal discuss the state of Himalayan glaciers and climate change.
Robert Hazen of the Carnegie Institution for Science in Washington DC tells Roland about the research area called geobiochemistry and Hilairy Hartnett of Arizona State University explains why it may not be easy to find life on extra solar planets.
Buzzing insects that sting and fall into your food can be annoying. But perhaps we should think twice before taking aim with the fly swatter because bug populations around the world are in rapid decline. This worries CrowdScience listener Daria; she wants to know what will happen to our food production without the help from our tiny friends – the pollinators? And what can she do, as a city-dweller, to help the bugs?
The dollar value of agricultural services that insects supply – for free – is estimated to be 350 billion dollars worldwide. For scientists, a major challenge is the lack of long-term studies of insects on a global scale – in fact – entomologists worry that species are dying out faster than we can document their existence. The culprits, they believe, are climate change, invasive species, land-use and pesticides.
CrowdScience speaks to the scientists who want to save the bugs; one project capitalises on the chemical signals that attract certain species of pollinators while others are building ‘bee hotels’ to encourage native bees back into our cities.
(Image: Smoke from the volcanic eruption of Whakaari, also known as White Island. Credit: Reuters)
Buzzing insects that sting and fall into your food can be annoying. But perhaps we should think twice before taking aim with the fly swatter because bug populations around the world are in rapid decline. This worries CrowdScience listener Daria; she wants to know what will happen to our food production without the help from our tiny friends – the pollinators? And what can she do, as a city-dweller, to help the bugs?
The dollar value of agricultural services that insects supply – for free – is estimated to be 350 billion dollars worldwide. For scientists, a major challenge is the lack of long-term studies of insects on a global scale – in fact – entomologists worry that species are dying out faster than we can document their existence. The culprits, they believe, are climate change, invasive species, land-use and pesticides.
CrowdScience speaks to the scientists who want to save the bugs; one project capitalises on the chemical signals that attract certain species of pollinators while others are building ‘bee hotels’ to encourage native bees back into our cities.
Presenter: Marnie Chesterton
Produced by Louisa Field for BBC World Service.
(Photo: Hoverfly on Yellow Dandelion Flower. Credit: Getty Images)
This week’s programme comes from the world’s largest earth sciences conference, the American Geophysical Union in San Francisco.
Roland Pease talks with Diana Roman of the Carnegie Institution for Science in Washington DC about the tragic White Island volcanic eruption in which at least eight tourists died.
Aurora Elmore of National Geographic and Arbindra Khadka of Tribhuvan University in Kathmandu Nepal discuss the state of Himalayan glaciers and climate change.
Robert Hazen of the Carnegie Institution for Science in Washington DC tells Roland about the research area called geobiochemistry and Hilairy Hartnett of Arizona State University explains why it may not be easy to find life on extra solar planets.
(Image: Smoke from the volcanic eruption of Whakaari, also known as White Island. Credit: Reuters)
This month World Book Club is in Germany marking the 30th anniversary of the Fall of the Berlin Wall with a programme from the St George’s Bookshop in the heart of the capital. We’re speaking with one of the country’s greatest living writers Jenny Erpenbeck about her highly acclaimed novel, Visitation.
Visitation’s central character is a beguiling house on the forested banks of a lake in Brandenburg near Berlin, which is inhabited by various occupants, one dislodging the next over the course of a turbulent century of upheaval and calamity. Encompassing the years from the Weimar Republic, through World War II to the subsequent Soviet-led Communist regime, and finally to reunification and its aftermath, Visitation forms a literary mosaic of the horrors of twentieth century German history filtered through the beauty of one house and the landscape it’s rooted in.
