Counting the Earth

Counting the Earth

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

Episodes

September 2, 2026 44 mins

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 environment, it can become a major pollutant, damaging ecosystems, air quality and human health. 

In this episode, Alice and Sue visit Whim Bog, a peatland research site 20 km south of Ed...

Listen
Watch
Mark as Played

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 scientist Alyssa Duffy, who introduces the innovative biodiversity‑monitoring technologies on display — from soil and freshwater acoustic sensors to the LepiSense, affectionately known as t...

Listen
Watch
Mark as Played
March 31, 2026 47 mins

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 to high greenhouse gas emissions, the extensive deforestation carried out in Southeast Asia in the 1990s to make way for oil palm plantations, and habitat loss for a range of endangered speci...

Listen
Watch
Mark as Played
February 10, 2026 38 mins

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 Summary showing that January has been much wetter than average, they explore whether that is enough to replenish water reserves following the extended drought in 2025.

Alice and Sue ...

Listen
Watch
Mark as Played
October 16, 2025 38 mins
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 Dr Douglas Kelley who outlines the causes of this change, drawing on examples from California and the Pantanal, the worlds’ largest tropical wetland.  

Closer to home,...
Listen
Watch
Mark as Played
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 non-native species is one of the top causes of biodiversity loss worldwide. In this episode Sue and Alice meet up with UKCEH ecologist Professor Helen Roy to delve into the challenges posed by i...
Listen
Watch
Mark as Played
March 27, 2025 34 mins
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 bacterial infections, according to the UN Environment Programme. AMR occurs when bacteria, viruses, fungi, and parasites become resistant to the medicines that are meant to kill or treat them. Microo...
Listen
Watch
Mark as Played
January 24, 2025 35 mins
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 research on how climate change could shape the suitability of crops in the UK and the challenges this brings for UK farming systems.

Alice also speaks with Josiah Meldrum from the UK-b...
Listen
Watch
Mark as Played
December 12, 2024 30 mins
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 explore how Natural Flood Management measures are reducing flood risks downstream in Milton-under-Wychwood. UKCEH senior hydrologist Dr Alejandro Dussaillant explains how a holistic ...
Listen
Watch
Mark as Played
November 25, 2024 43 mins
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 episode, Alice visits UKCEH labs in Wallingford to explore these questions. Pollution scientist Dr Richard Cross shares insights into how microplastics impact the environment, ...
Listen
Watch
Mark as Played
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 Lancaster to meet UKCEH ecotoxicologist Lee Walker and discover how studying dead birds like buzzards and barn owls can offer critical clues about how these chemicals accumulate.
Listen
Watch
Mark as Played
August 8, 2024 30 mins
In this episode, Alice and Sue take you on an exploration of the past, present and future of the UK’s woodlands.  Sue visits the enchanting Heartwood Forest in Hertfordshire, where she meets Chris Nichols from the Woodland Trust to uncover the latest insights from the Bunce Woodland Survey. The survey reveals how our woodlands have changed over the past 50 years, and highlights the pressing challenges they face toda...
Listen
Watch
Mark as Played
Sitting at the mouth of the Firth of Forth in Scotland, the Isle of May is a sanctuary for nesting seabirds and the destination for this episode.

Join Alice and Sue as they journey to the island and meet UKCEH Field Manager Mark Newell and his dedicated team. Discover the critical work they do to monitor seabird colonies, including the iconic puffin, providing valuable insights into the health of our marine ecosystems.<...
Listen
Watch
Mark as Played
July 3, 2024 36 mins
Stretching over ten miles through Cumbria’s countryside, Windermere isn't just England's largest lake – it’s a real-life classroom, helping us to understand how our environment is changing over time. 
  
Join Alice and Sue as they venture onto the water with UKCEH scientists Eleanor Mackay and Heather Moorhouse. Together, they explore the deep waters and vibrant ecosystem of this iconic l...
Listen
Watch
Mark as Played
June 6, 2024 34 mins
In this episode, Alice Hope and Sue Nelson get knee-deep in flowers to hear which plants attract the most pollinators –  those vital bees, butterflies, wasps, beetles, flies and moths – and why.

UKCEH ecologist Dr Claire Carvell takes Sue on a tour of the office wildflower meadow in Oxfordshire, discussing how citizen science is enhancing what we know about pollinators, and the latest findings from the ...
Listen
Watch
Mark as Played
May 30, 2024 39 mins
In this episode, Sue and Alice dive into the factors affecting the ecological health of our rivers.  

Alice goes wading in the River Kennet with Anna Forbes from ARK to explore river health monitoring first hand, encountering some fascinating river residents along the way. 

Then Sue and Alice chat with Dr Mike Bowes and Dr Eleanor Mackay of UKCEH about how both the state of our rivers and our approach t...
Listen
Watch
Mark as Played
March 27, 2024 38 mins
Sue and Alice explore these complex coastal ecosystems and discover their amazing benefits – from providing wildlife habitat to storing carbon.

https://www.ceh.ac.uk/solutions/emerging-challenges/saltmarsh-blue-carbon

Hosts: Sue Nelson and Alice Hope 

Producer: Rachael Buchanan

Counting the Earth is a Boffin Media Production for the UK Centre for Ecology & Hydrology. 
Listen
Watch
Mark as Played
February 27, 2024 33 mins
Delve into the vital statistics of earthworms, as Alice and Sue uncover the unsung heroes of our soil.

Worm resources
Garden worm ID chart

Earthworm Society UK diagram of worm habitats

Hosts: Sue Nelson and Alice Hope 

Producer: Rachael Buchanan

Counting the Earth is a Boffin Media Production for the UK Centre for Ecology & Hydrology. 
Listen
Watch
Mark as Played
January 30, 2024 26 mins
Sue and Alice poke around that great staple of the British countryside - the hedgerow - and discover a surprising variety of residents, from mice to molluscs.

Hosts: Sue Nelson and Alice Hope 

Producer: Rachael Buchanan

Counting the Earth is a Boffin Media Production for the UK Centre for Ecology & Hydrology. 
Listen
Watch
Mark as Played
January 30, 2024 34 mins
Sue and Alice visit Heartwood Forest and the Fens to explore how far nature-based solutions like planting trees and restoring peatlands can take us towards net zero.

Hosts: Sue Nelson and Alice Hope 

Producer: Rachael Buchanan

Counting the Earth is a Boffin Media Production for the UK Centre for Ecology & Hydrology. 
Listen
Watch
Mark as Played

Popular Podcasts

    If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.

    Crime Junkie

    Does hearing about a true crime case always leave you scouring the internet for the truth behind the story? Dive into your next mystery with Crime Junkie. Every Monday, join your host Ashley Flowers as she unravels all the details of infamous and underreported true crime cases with her best friend Brit Prawat. From cold cases to missing persons and heroes in our community who seek justice, Crime Junkie is your destination for theories and stories you won’t hear anywhere else. Whether you're a seasoned true crime enthusiast or new to the genre, you'll find yourself on the edge of your seat awaiting a new episode every Monday. If you can never get enough true crime... Congratulations, you’ve found your people. Follow to join a community of Crime Junkies! Crime Junkie is presented by Audiochuck Media Company.

    Dateline NBC

    Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

    The Breakfast Club

    The World's Most Dangerous Morning Show, The Breakfast Club, With DJ Envy, Jess Hilarious, And Charlamagne Tha God!

    Betrayal Weekly

    Betrayal Weekly is back for a new season. Every Thursday, Betrayal Weekly shares first-hand accounts of broken trust, shocking deceptions, and the trail of destruction they leave behind. Hosted by Andrea Gunning, this weekly ongoing series digs into real-life stories of betrayal and the aftermath. From stories of double lives to dark discoveries, these are cautionary tales and accounts of resilience against all odds. From the producers of the critically acclaimed Betrayal series, Betrayal Weekly drops new episodes every Thursday. If you would like to share your story, you can reach out to the Betrayal Team by emailing them at betrayalpod@gmail.com and follow us on Instagram at @betrayalpod and @glasspodcasts. Please join our Substack for additional exclusive content, curated book recommendations, and community discussions. Sign up FREE by clicking this link Beyond Betrayal Substack. Join our community dedicated to truth, resilience, and healing. Your voice matters! Be a part of our Betrayal journey on Substack.

Advertise With Us
Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2026 iHeartMedia, Inc.

  • Help
  • Privacy Policy
  • Terms of Use
  • AdChoicesAd Choices