Ep 241  |  Iroro Tanshi

Saving Bats to Save Ourselves: How to Stop the Tragedy of the Commons

Check out this podcast

The Great Simplification

Description

One in five mammal species on Earth is a bat, yet they remain some of the most overlooked and misunderstood creatures in conservation. Bats pollinate crops, control pests, and spread seeds over large areas. But as climate change pushes temperatures and rainfall to new extremes, many forests are increasingly at risk of catching fire, threatening both the wildlife and communities that depend on them. What happens when the land-management knowledge communities have relied on for generations no longer matches reality, and how can species like bats become the catalysts to realign them?

In this episode, Nate is joined by Nigerian bat biologist Iroro Tanshi to explore how the rediscovery of a bat species unseen in Nigeria for 45 years – and a wildfire that destroyed half its habitat just days later – launched a community-led fire prevention program. Iroro explains how listening to farmers, who no longer knew when it was safe to burn their fields, led to a simple fire danger warning system that local leaders then backed with their own bylaws, directly addressing tragedy-of-the-commons dynamics. She also shares what it’s like to navigate conversations about climate and biodiversity with rural Nigerian communities, and how her team is now scaling their fire management solution across the tropics.

What can a tragedy of the commons in rural Nigeria teach us about collective action everywhere? Why might the people experiencing the worst impacts of climate change also be the ones best equipped to lead the response? And in a world drifting toward extremes, what are the fundamental human practices we’ll need to relearn in order to adapt to a future that will look very different from the past?

Thumbnail image credits: Etinosa Yvonne

About Iroro Tanshi

Iroro Tanshi is a Nigerian ecologist and conservationist whose work focuses on field biology, biodiversity research, and community-led conservation. She earned a PhD in biology from Texas Tech University, where she also received the Horn Distinguished Professors Graduate Research Award for her work in African biodiversity conservation and community engagement. Tanshi’s work in Nigeria led to the 2016 rediscovery of the critically endangered short-tailed roundleaf bat – a species that had not been recorded there for roughly four decades. She helped to spark the “Zero Wildfire Campaign” with local communities in order to end harmful land burning practices that contributed to the decline of key bat populations. In the process she co-founded the Small Mammal Conservation Organization (SMACON), whose work in the Southern Nigeria region continues to conserve both individual species, and the forests and social systems on which biodiversity depends. 

Tanshi’s research and conservation career has earned international recognition – this includes the Future for Nature Award in 2020, the Whitley Award in 2021, the Pritzker Emerging Environmental Genius Award in 2023, the 2026 Goldman Environmental Prize, and being recognized as a National Geographic explorer. Much of her recent work has focused on Afi Mountain Wildlife Sanctuary and other remaining primary forests in southeastern Nigeria, where biodiversity conservation is inseparable from the realities of farming, fire, livelihoods, governance, and local decision-making. Tanshi continues to put into action a social-ecological approach to conservation that treats local communities as collaborators, not obstacles. She prioritizes building trust, aligning incentives, developing local expertise, and making conservation durable through local agency.

Show Notes & Links to Learn More

Download transcript

Guest:

Iroro Tanshi: Works, Co-founder & Co-Executive Director, Small Mammal Conservation Organization (SMACON), University of Washington Postdoc

Grab-and-Go Resources:

New? Start here:

From the Archive:

Episode Foundations:

Next Steps:

Resources by Timestamp:

03:07 – Related research: Floral scent of bat-pollinated species: West Africa vs. the New World

03:58 – Threats and knowledge gaps in global bat conservation, Underrepresentation of bats in Africa’s protected areas

04:08 – Climate Week NYC 2026, Global warming in the pipeline

04:21 – Charismatic megafauna and the conservation funding gap for bats

04:39 – One in five mammal species is a bat

05:05 – *About 6,900 mammal species, 1,515 of them bats

05:42 – *Bats’ pest control worth more than $3.7 billion a year to North American agriculture, including corn and cotton

06:16 – Shea nuts mostly harvested from wild trees

06:34 – Fruit bats disperse shea tree seeds

07:00 – Janzen–Connell hypothesis: seedlings survive better away from the parent tree

07:20 – Iroko (Milicia excelsa) timber seeds dispersed by straw-coloured fruit bats

07:39 – Parkia biglobosa flower heads bloom for a single night

07:41 – In-video insert of Parkia biglobosa

08:09 – Fermented locust beans: iru and soumbala

08:49 – Bat pollination (chiropterophily)

09:09 – *Nigeria’s 100 known bat species: almost a third of Africa’s bat diversity, Nigeria’s vegetation zones from mangrove to Sahel

09:57 – Short-tailed roundleaf bat rediscovered in Nigeria after 45 years

10:03 – The old IUCN rule: a species unseen for 50 years could be declared extinct

10:26 – *2016 wildfire burned about 5,000 hectares of forest around Afi Mountain, 10 days after the rediscovery

11:14 – Farm fires spreading into Afi Mountain’s forests

11:38 – Zero Wildfire Campaign

11:51 – Rains now starting later and ending earlier in Cross River State

12:10 – Slash-and-burn agriculture: short-term ash nutrients, longer-term costs

13:11 – Climate change shifting and widening the bell curve of temperatures

14:32 – Community solutions as frontline climate adaptation

15:22 – Tragedy of the commons, Collective action problem

18:39 – Colour-coded fire danger signposts and community weather stations

18:56 – NASA FIRMS near-real-time fire data

19:20 – *One community’s forest bylaws set fines of up to $200

21:51 – Related research: Wildfire risk has increased, but we can still influence where and how fires strike

23:32 – *About 520 living languages in Nigeria, over 250 ethnic groups

24:23 – Nigerian Pidgin, the most widely spoken language in Nigeria

25:42 – Shifting baselines (Nate and DJ’s book covering such)

26:10 – Bats associated with witchcraft in Nigeria, fruit bats hunted as bushmeat

26:48 – Non-timber forest products in Nigeria: snails, wild fruits, medicinal plants

27:24 – Sacred groves and ancestral ties to forests in Nigeria

28:13 – Small Mammal Conservation Organization (SMACON)

29:13 – Elephants in Nigeria, fewer than 50 lions left in Nigeria

30:11 – Black cat superstitions across cultures

31:20 – Gas flaring in Nigeria

32:20 – Nature documentaries: Serengeti wildebeest migration, Kruger National Park’s Nile crocodiles, the Amazon’s tallest known tree

34:17 – The 1.5°C threshold: 2024 likely the first calendar year above it

34:25 – Urban heat islands

35:31 – Heat stress in bats: wing-fanning and mass die-offs of Australian flying foxes

36:13 – Global decline of terrestrial insects (The Great Simplification Ep on the insect crisis)

36:19 – Most bats are insectivores

36:26 – *Three vampire bat species, found from Mexico through Central and South America

36:50 – Vampire bats feed through a small incision, aided by anticoagulant saliva

38:57 – Kunming-Montreal Global Biodiversity Framework

40:04 – More frequent and intense hot extremes, heavy rainfall and droughts

40:47 – *Nepal’s August 2026 glacier-collapse flood: more than 1,000 dead

40:50 – Indonesia’s 2026 wildfires: about 200,000 hectares burned by July

40:52 – NOAA El Niño Advisory: over 90% chance of a very strong 2026-27 event (The Great Simplification Ep on the Super El Niño)

41:06 – Evidence on El Niño and next year’s US wildfire activity

41:45 – *Afi Mountain Wildlife Sanctuary covers about 100 km² (~24,700 acres)

42:01 – Tropical Fire Alliance and its Tropical Fire Lab

42:58 – Fire risk on drained Indonesian peatlands, Brazil’s cattle sector and the 2020 Amazon fires (The Great Simplification Ep on fires in the Amazon)

43:20 – Tropical Fire Alliance’s goal: 1–2 gigatonnes of wildfire carbon emissions reduced a year

44:04 – Protecting habitat for many species at once: umbrella species

44:21 – *Congo Basin forest, the world’s second-largest, about 300 million hectares vs the Amazon’s 800 million

44:38 – African tropical forest carbon sink held steady for three decades while the Amazon’s declined (The Great Simplification Ep on the Amazon as carbon source)

44:52 – *DR Congo third in tropical primary forest loss in 2025, behind Brazil and Bolivia

45:37 – Passenger pigeon: 3 to 5 billion birds, extinct by 1914

45:49 – Allee effect: decline below a critical population size

46:03 – Evidence: model projects a long-term decline in the African carbon sink

46:37 – Congo Basin Science Initiative

46:56 – Congo Basin got 11.5% of international forest funding vs 34% for the Amazon (2008-2017)

47:45 – Starting local: community organizing and movement-building

49:24 – GBatNet, the Global Union of Bat Diversity Networks

51:23 – Natural disturbance in ecology, Extinction rates tens to hundreds of times the 10-million-year average

51:44 – Living in the Upside Down

52:31 – SMACON’s pangolin surveys, pangolins as the most illegally traded wild mammals

52:49 – Pangolin hunting in southeast Nigeria driven by local meat demand more than the scale trade

53:04 – Pangolins curl into a ball when threatened

 

Back to all posts
A Shattered Market?With Rory JohnstonThe Great SimplificationEp 240 | Rory Johnston

In this episode, Nate welcomes back oil market analyst Rory Johnston for an update on how the crisis has evolved since April. Rory explains why diesel is now the epicenter of the crisis, with crack spreads running five to six times their historical norm, driven by both the Iran war and Ukraine’s strikes on Russian refineries. He also unpacks one of the unexpected moves that lessened the severity of the energy shortage: China’s unprecedented 45% cut in crude imports, which he calls the “Beijing Swing.” Tying these trends together, Rory and Nate explore how soaring shipping costs have fractured a once-global oil market into regional pockets and how the poorest nations are bearing the brunt of demand destruction.

Watch nowOct 28, 2026
Earth's Oldest TeachersWith Robin Wall KimmererThe Great SimplificationEp 239 | Robin Wall Kimmerer

In this episode, Nate is joined by Robin Wall Kimmerer to explore what we can learn from some of Earth’s oldest and smallest beings: plants. Robin weaves together her experience as a botanist and a Citizen Potawatomi Nation member to offer what she’s learned about living well within nature’s limits, including practices such as the Honorable Harvest and the importance of restraint and reciprocity. She also shares the Potawatomi prophecy of the Seventh Fire, in which humanity stands at a fork between a scorched path and a green one, and can only move forward by walking back to recover what was lost along the way. Robin frames this moment as the age of remembering – an invitation to restore the land and our relationship with it.

Watch nowOct 21, 2026
Optionality CollapseWith Indy JoharThe Great SimplificationEp 238 | Indy Johar

In this episode, Nate welcomes back Indy Johar, co-founder of Dark Matter Labs, for an exploration of how coupled systemic risks are reshaping capital, institutions, and what it means to invest for the future.

Watch nowOct 14, 2026

Subscribe to our Substack

The Institute for the Study of Energy and Our Future (ISEOF) is a 501(c)(3) non-profit corporation, founded in 2008, that conducts research and educates the public about energy issues and their impact on society.

Support our work
Get in touch
x