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PODCAST

ASH CLOUD

This is series of conversations discussing global food sustainability with guests who bring a deep understanding of the environmental and cultural challenges facing our society and creative ideas on how to address them.

science earth sciences

All Episodes

51:59

Investing in regenerative agriculture, the food...

ASH CLOUD ·

2026/02/06

There is a huge amount we can learn from understanding the connections between soil health, food production, and human metabolic health. Over the last 50-60 years, modern agricultural systems have become increasingly reliant on synthetic inputs that boost yields but degrade soil microbiomes and reduce micronutrient density in our food. This degradation contributes to the chronic disease epidemic costing the United States trillions of dollars annually. The impact of regenerative agriculture on...

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47:09

Breeding for profitable, efficient, locally adapted...

ASH CLOUD ·

2026/01/30

Currently beef cattle production faces a profitability challenge driven by rising feed costs and efficiency gaps. For cow-calf operations, particularly where producers operate on forage-based systems, the biggest variable cost is cow feed, yet geneticists lack precise selection tools for measuring and improving forage intake and conversion efficiency. Today we are joined by Troy Rowan from the University of Tennessee, where he investigates economically important traits in beef cattle wi...

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36:01

Low cost, locally produced zero emissions nitrogen...

ASH CLOUD ·

2026/01/22

Over the last century our food systems have become increasingly reliant on synthetic nitrogen. This nitrogen fertilizer is mostly made through the energy intensive haber-bosch process in centralized production plants, often located in politically sensitive location, that have a carbon footprint multiple times greater than the aviation industry. Today we are joined by Frere Byrne of PlasmaLeap Technologies who is developing low cost mobile technology to systhesis zero emissions ammonia f...

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49:31

Addressing the Climate, Agriculture, Landscape and...

ASH CLOUD ·

2026/01/08

Denmark made headlines in 2024 as the first country to implement a carbon tax on livestock emissions. The country's ambitious 70% emissions reduction target by 2030 includes agricultural reductions of 55-65%. What makes Denmark's policy truly remarkable isn't the tax itself—it's the 60% tax deduction corresponding to mitigation potential. This signals that Denmark's approach isn't anti-livestock, but rather pro-innovation, explicitly avoiding targets on livestock numbers while incentivizing f...

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52:17

Animal health as a climate solution with Nick...

ASH CLOUD ·

2025/12/10

Animal Health as a Climate and Food Security Solution In this episode of the Ash Cloud podcast, we explore an often-overlooked opportunity in the fight against climate change with Dr. Nick Wheelhouse, Professor of Comparative Infectious Disease at Edinburgh Napier University and co-lead of the Global Research Alliance Animal Health and Greenhouse Gas Emissions Intensity Network. Dr. Wheelhouse brings unique expertise spanning both veterinary research and animal science. After completing his B...

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63:20

Global food security, innovation, and the investment...

ASH CLOUD ·

2025/11/25

The cost living is an increasing global challenge. Food inflation in 2023 was 13.6%, however food prices increased by up to 30% in many low income countries. Currently 60-80% of voters consider food price as a decisive factor in their choice of candidate and across 60% of countries food costs represent more than 25% of the CPI basket. Right now, 670 million people—8.2% of our global population—are going hungry. By 2030, projections show that 300 million people in Africa alone could face...

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55:30

Creating a carbon neutral beef operation with Robert...

ASH CLOUD ·

2025/10/22

"Sustainability means leaving the land in a better place, preparing the next generation for a turbulent future in agriculture... and it's probably also a license to produce." Robert MacKenzie and his farms on the mid north coast of NSW was the first Australian beef operation to become net zero through pasture carbon sequestration. Roberts journey began with a dedication to understand the numbers around all metrics on the farm and then adjusting his management to improve these metrics. The ini...

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50:49

Building a profitable animal biotech company with...

ASH CLOUD ·

2025/08/29

AgriFoodTech Venture Capital investment is down by roughly 90% from the high of 2021 with the lack of exits or creation of profitiable agtech companies resulting from the billions invested frequently taking the blame for investors looking for alternative places for put their money. But there are success stories. Today we are joined by Mike Seely, the CEO of Native Microbials. Over the last 10 years Mike and his team has built a profitable animal biotech company. I recently caught up wit...

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58:53

Brazil's transition from a net food importer to one...

ASH CLOUD ·

2025/08/23

There is a huge amount we can learn from Brazil’s transition from being a net food importer to one of the world’s largest food exporters over the last 50 years. Since deforestation across the Amazon peaked in the mid 1990’s Brazil has continued to invest in both driving productivity increases alongside increasing efforts to preserve wilderness areas and restore degraded lands. To help address climate change the government has doubled investment including doubling investment in low carbon agri...

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53:09

Regenerative agriculture with Jason Rowntree,...

ASH CLOUD ·

2025/07/12

Today we are joined by Jason Rowntree from Michigan State University where he is working on systems increase the resilience and to reduce the environmental harm of our food systems. Finding the driver across rural America that encourage farmers and ranchers to adopt management practices that improve soils, and protect local environments and the climate are a key priority of his work. Jason has built and runs the centre for regenerative agriculture at Michigan State University where he is incr...

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41:43

Epigenetics with Travis Bayer, Decibel Bio

ASH CLOUD ·

2025/05/08

The epigenome is essentially the control software for plants and animals that dictates when, where, and to what level different genes in the genome are expressed. Moderating the epigenome has the potential to upgrade crops in real time, during the season, to adjust photosynthesis and warn crops of upcoming droughts, diseases, or other threats. While traditional plant breeding and genetics requires trait selections to be made prior to planting and establishing the crops, epigentics enables the...

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65:08

Is meat a luxury that is becoming increasingly...

ASH CLOUD ·

2025/04/11

Over human history animal protein has always been a luxury food. Meat is the first thing people generally chose to buy when they rise from lower to middle income. With the current cost of living crises across the world, further food price inflation predicted due to climate change, geopolitical instability, and biodiversity loss, increasing impacts on productivity due to climate change, as well as the growing impact of dietary related disease, the big question is how much longer will we ...

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56:37

Building sustainable supply chains with Lamar Steiger...

ASH CLOUD ·

2025/04/08

Beef supply chains have been described as the most dysfunctional and least organised supply chains of everything available in the supermarket. Today we are joined by Lamar Steiger and Neil Mellers from Ranch2Retail who are building connected beef supply chains to improve economic performance of the whole chain and environmental outcomes. Data across all participants is a key component of creating and sharing the extra value. It took over 100 conversations before Lamar found a rancher wh...

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63:06

The link between obesity and poverty, rising obesity,...

ASH CLOUD ·

2025/03/26

In this episode I am exploring the rapidly growing rates of obesity globally, the rapid rise in the use of GLP-1s or obesity drugs, how these are impacting our food systems, and how obesity and poverty seem to be linked. In the US around 10% of all Americans are either using GLP-1s or have tried GLP-1s, with early data showing a 5-10% decrease in food spending and a significant change in the foods people are purchasing. Yet, it's only the wealthiest that can afford these drugs. To...

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40:46

Sustainable Livestock Transformation Initiative with...

ASH CLOUD ·

2025/03/17

Today we are joined Aimable Uwizeye, Livestock Policy Officer for the Food and Agriculture organization of the United Nations where he is part of the team that implements the Sustainable Livestock Transformation initiative within the Animal Production and Health Division. Increasingly the impartance of animal health is being identified as a key aspect of improving sustainbility and reducing emissions. Aimable's mission is to promote global change towards a sustainable livestock sector by tack...

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68:42

Capitalizing on opportunity with Jason Strong, former...

ASH CLOUD ·

2025/03/07

The Australian livestock industries now produce high quality product, that is full tracebale, quality assured, with real time market information coming from a sophisticate supply chain that sells into high quality markets with preferential access including 16 FTAs. This has transitioned from an absolute commodity industry with only one free trade agreement, no traceability, national ID system, limited market information and a disconnected supply chain just 30 odd years ago. Today we are...

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53:37

Breeding for sustainable livestock, how genetic...

ASH CLOUD ·

2025/02/25

Humans have been selectively breeding animals since before Roman times. Modern technologies and tools including genomics and artifical intelligence has hugely increased the rate of progress. Increasingly, sustainability traits such as the enviromneatl footprint of production are being included in breeding programs in addition to productivity, efficiency, and profitability traits. Today we are joined Matthew Clevlend, a geneticist who leads sustainability at ABS Global across thei...

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45:55

Challenging meat politics and promoting regenerative...

ASH CLOUD ·

2025/01/28

Political scientist Sparsha Saha from Harvard University joins us to challenge the status quo in meat politics. How can a sector so vital be so overlooked? Sparsha shares groundbreaking insights, exposing the unusual political dynamics surrounding animal welfare and the unexpected urban-rural divide on climate policies related to meat consumption. We grapple with the low prioritization of food and water in political discourse and the urgent need for heightened awareness in tackling ecological...

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62:30

Incentivizing the least productive farmers to change...

ASH CLOUD ·

2025/01/24

The least productive 10-20% of producers are causing 60-80% of the environmental impacts but only produce 5% of the food. Incentivizing these farmers and ranchers to change can significantly improve the sustainability of our food systems with minimum impact on global food production. Today I am joined by Jason Clay from WWF who focuses on working with the private sector to improve supply chain management especially addressing habitat, biodiversity, soil health, irrigation, effluent, and...

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55:38

Irrigation is colonising fresh water with Bruce...

ASH CLOUD ·

2025/01/13

The 350 million hectares of global irrigation consume 3-4 Mississippi’s worth of fresh water every day. This volume of fresh water used for Irrigation is continuing to increase, especially across the global south, exacerbating the challenge of how we produce more food with less water. Today we are joined by Bruce Lankford, who has been working on Water and Irrigation Policy across the developed and developing worlds for over 30 years. In a recent blog post Bruce wrote about how Irrigation is ...

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73 results

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