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Counting the Earth

by Counting the Earth

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Latest episodes

  • From peat to paddies: 12

    October 27, 2026 · 35 min

    This episode explores the challenge of protecting the UK’s lowland peatlands while sustaining food production. Visiting a trials site at Oxwillow Farm in the Cambridgeshire Fens, hosts Sue Nelson and Alice Hope uncover pioneering UKCEH…

  • The invisible pollutant: 200 million

    September 2, 2026 · 44 min

    Most nitrogen is a harmless gas that makes up 78% of the air we breathe.  Reactive forms of nitrogen are more of a challenge, such as those found in fertilisers essential to help our crops grow. When excess nitrogen escapes into the…

  • Back garden biodiversity: 9,600

    June 9, 2026 · 30 min

    Recorded at the RHS Chelsea Flower Show, Alice and Sue explore the vital role our gardens play in supporting wildlife and how we can help shape these thriving mini ecosystems. At the UKCEH Nature Decoded exhibit, they meet UKCEH data…

  • Unpacking Oil Palm: 80 million

    March 31, 2026 · 48 min

    From chocolate and shampoo to food, palm oil can be found in a range of packaged goods on the supermarket shelves and is used throughout industry. Its versatility makes it difficult to replace yet its production remains controversial due…

  • Whiplash weather: 90

    February 10, 2026 · 39 min

    Let’s talk drought. Yes, that’s right, drought! Our weather is experiencing extremes - from flooding to drought - so Alice and Sue delve into this whiplash weather with UKCEH senior hydrologist Lucy Barker. With the latest Hydrological…

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  • The Burning Issue: 3.7 million

    October 16, 2025 · 39 min

    Wildfires are evolving. Around the world they are becoming bigger, burning hotter, and harder to control with devastating impacts on humans, the economy and the environment. In this episode, Alice and Sue talk to UKCEH wildfire scientist…

  • Encounters of the Invasive Kind: 2,104

    May 12, 2025 · 40 min

    What do raccoons, purple pitcher plants, signal crayfish and the yellow-legged hornet all have in common? No, this is not a joke - far from it. They are all on the GB invasive non-native species alert list. The introduction of invasive…

  • Resistance Rising: 1.14 million

    March 27, 2025 · 35 min

    In this episode, Alice and Sue visit the River Kennet and the Reading Sewage Treatment Works to explore antimicrobial resistance (AMR), a growing global issue. In 2021 1.14 million deaths were attributed to antimicrobial resistant…

  • Top of the crops: 2080

    January 24, 2025 · 36 min

    In this episode, Alice and Sue time travel to the year 2080, to explore what crops we might be growing in the UK, after 50 years of a changing climate. They speak with UKCEH Spatial Ecologist Dr John Redhead about horizon- scanning…

  • Slow the flow: 5.7 million

    December 12, 2024 · 31 min

    In England alone, an estimated 5.7 million properties are at risk of flooding from rivers, the sea, surface water and groundwater.  In this episode and in the wake of Storm Bert, Alice and Sue visit the Bruern Estate in Oxfordshire to…

  • Breaking down microplastics: 115

    November 25, 2024 · 43 min

    Microplastics are everywhere—tiny plastic particles that permeate our soil, water, food, drinking supplies, and even our bodies. But how much do we actually understand about their long-term effects on our health and the environment?In this…

  • Chilling facts about forever chemicals: 1000

    October 22, 2024 · 34 min

    In this episode of Counting the Earth, we find out about forever chemicals – persistent pollutants that can pose serious environmental and health risks. Alice and Sue brave the icy freezers of the Predatory Bird Monitoring Scheme (PBMS) in…

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About the show

Sue Nelson and Alice Hope explore the numbers behind nature and pick apart the jargon and misinformation surrounding climate, the environment and biodiversity. Each month, they start with a number and investigate what it really means. From net zero to hedgerows, worms to water, Sue and Alice aren’t afraid to get their feet muddy in the quest for facts.  Producer: Rachael Buchanan A Boffin Media production for the UK Centre for Ecology & Hydrology