Ash Sweeting
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.
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Feed efficiency and methane emissions with Ermias Kebreab, UC Davis 16.06.2026 43:13
The poultry and swine industries have transformed feed efficiency over the past two decades. Through systematic improvement in nutrition, enzyme utilization, and animal genetics, they now produce vastly more protein from fewer resources. The challenge is not simply reducing methane emissions from cows, but reducing methane per unit of milk produced while maintaining farmer profitability and food...
Artificial Intelligence, the need for reliable data, and where it will have the greatest impacts on agriculture with Aidan Connolly, Agritech Capital 27.05.2026 54:55
Artificial intelligence is advancing at an astonishing pace—improvements measured in five-thousand-fold increases from week to week according to AI researchers at Singularity University. Yet in agriculture, most farmers remain largely disconnected from these advances, using AI only at the most basic level for administrative tasks like finance, report writing, and form filling. This widening gap th...
Building a company that leverages biological complexity to improve livestock productivity with a reduced climate impact - Tom Williams Number 8 Bio 04.05.2026 43:20
“I’m yet to meet a grazier that doesn’t want a 5-15% feed conversation ratio improvement.” says Tom Williams, CEO of Number 8 Bio. Producers motivated by not losing 10% of their feed to the atmosphere. Enteric methane from livestock represents one of the rare climate challenges where environmental impact aligns with economic opportunity. Methane is a potent greenhouse gas and it also represents...
Building resilient agrifood systems across conflict zones and climate stressed regions with Bram Govaerts, CIMMYT 06.04.2026 59:09
The green revolution resulted in unprecedented improvements in the efficiency and productivity of food production. Recent decades of increasingly globalized free trade has further imporved efficiecies across the supply chain. These improvements that have benefited millions have done so largely at the expense of resiliance and the shock waves of this vulnerability are starting to be felt as fertili...
Leading US beef sustainability with Steve Wooten, Beatty Canyon Ranch 17.03.2026 1:01:00
The journey toward sustainable beef production in the United States began before the term "sustainability" entered common usage. Today we are joined by Steve Wooten, a rancher in southeastern Colorado's shortgrass prairie and a founding member of the U.S. Roundtable for Sustainable Beef. Wooten manages Beatty Canyon Ranch in a region receiving 11-14 inches of annual rainfall, where...
Data driven livestock production for feed efficiency with Andrew Freshwater Clear Creek Pastoral Co. 10.03.2026 48:56
Feed efficiency remains one of the biggest gray areas and least understood aspects of livestock production. Yet understanding how much grass a cow consumes to produce a calf or a ewe to produce a lamb is critical not only to farmer and ranch profitability, but also to the sustainability of the industry. At 19 cents per kilogram to grow dry matter, inefficiency compounds rapidly. The difference bet...
Cow feed efficiency, the greatest area of untapped potential for beef production, with Matt Wilson West Virginia University 03.03.2026 53:54
Feed efficiency, despite its importance from both an environmental sustainability and farm profitability perspective, remains one of the biggest gray areas and least understood aspects of livestock production. Today we are joined by Matt Wilson from West Virginia University, who has spent his career studying how efficiently cattle convert grass into food. In 2003, Wilson installed the first indivi...
Investing in regenerative agriculture, the food system, and metabolic health with Carter Williams - iSelect Fund 06.02.2026 51:59
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 c...
Breeding for profitable, efficient, locally adapted and sustainable cattle with Troy Rowan University of Tennessee 30.01.2026 47:09
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 Un...
Low cost, locally produced zero emissions nitrogen fertilizer with Frere Byrne PlasmaLeap Technologies 22.01.2026 36:01
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 Tec...
Addressing the Climate, Agriculture, Landscape and Food Security Nexus through policy with Tobias Gräs Danish Agriculture and Food Council 08.01.2026 49:31
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 approa...
Animal health as a climate solution with Nick Wheelhouse, Edinburgh Napier Univeristy 10.12.2025 52:17
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 bri...
Global food security, innovation, and the investment gap with Maximo Torero UNFAO 25.11.2025 1:03:20
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—ar...
Creating a carbon neutral beef operation with Robert Mackenzie, Mackas Australian Black Angus Beef 22.10.2025 55:30
"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 understan...
Building a profitable animal biotech company with Mike Seely, Native Microbials 29.08.2025 50:49
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 y...
Brazil's transition from a net food importer to one of the world's leading exporters over the last 50 years with Bruno Brasil, Brazilian Ministry of Agriculture and Livestock 23.08.2025 58:53
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 clim...
Regenerative agriculture with Jason Rowntree, Michigan State University 12.07.2025 53:09
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 bui...
Epigenetics with Travis Bayer, Decibel Bio 08.05.2025 41:43
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...
Is meat a luxury that is becoming increasingly difficult to afford with Paul Behrens, Oxford University 11.04.2025 1:05:08
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...
Building sustainable supply chains with Lamar Steiger and Neil Mellers, Ranch2Retail 08.04.2025 56:37
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...
The link between obesity and poverty, rising obesity, and how GLP-1s are changing the game with Jack Bobo UCLA 26.03.2025 1:03:06
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 food...
Sustainable Livestock Transformation Initiative with Aimable Uwizeye UNFAO 17.03.2025 40:46
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 emiss...
Capitalizing on opportunity with Jason Strong, former Managing Director Meat and Livestock Australia 07.03.2025 1:08:42
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, lim...
Breeding for sustainable livestock, how genetic selection can provide significant and permanent reductions to livestock emissions with Matthew Cleveland 25.02.2025 53:37
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 j...
Challenging meat politics and promoting regenerative agriculture with Sparsha Saha, Harvard University 28.01.2025 45:55
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...
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