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ASH CLOUD

ASH CLOUD

Hosted by Ash Sweeting

BusinessEntrepreneurshipScienceSocietyCultureInterviews guests
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Episodes

80

Latest episode

Jun 2026

Language

EN-AU

About the show

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.

Listen to episodes

60 recent
August 12, 2026Episode 8249 min

Regenerative agriculture with Anastasia Volkova, Regrow Ag

Forty leading global food and agriculture companies recently declared their commitment to regenerative agriculture. This unprecedented industry alignment signals that the sector has moved beyond looking at sustainable farming an aspirational ideal and into investment and scale. Yet challenges remain as adoption of regenerative practices is sliding backward in North America.Satellite imagery processed with AI and biogeochemical modeling reveals that cover cropping and conservation tillage adoption have declined over recent years. In many Midwest states, the losses reach double digits percentage points.This data comes from monitoring 1.5 billion acres globally, representing 52% of global arable land. Simultaneously, farmers are facing a squeeze with rising diesel and fertilizer costs coinciding with weak commodity markets and decreasing government funding. The $3.8 billion investment in climate-smart practices from the Inflation Reduction Act has been partially replaced by a $700 million regenerative pilot programToday we are joined by Anastasia Volkova from Regrow Ag, an early leader and advocate for regenerative agriculture. Regrow has evolved from evangelizing regenerative practices to managing a critical transition to making regenerative agriculture repeatable and scalable across radically different conditions through creative co-investment, alternative funding mechanisms, and regional innovation.Regrow’s framework identifies three distinct market stages: the evangelizing phase focused on building common nomenclature, the investing phase amplified by government dollars and corporate commitments, and the current challenge of making practices repeatable in a constrained funding environment. Her work spans North America, Europe, Latin America, and Asia, revealing how different regions activate different capital sources, from European carbon certification frameworks to Brazilian vertically integrated agro-holdings pioneering methane measurement in livestock. The conversation explores how emerging allies, water markets, and MRV technology innovations could replace disappearing government support without compromising farmer economics or climate outcomes. Send us Fan Mail

June 16, 2026Episode 8143 min

Feed efficiency and methane emissions with Ermias Kebreab, UC Davis

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 security.But here's the complexity: feed intake in dairy cattle is difficult to measure in controlled research facilities; in pasture-based systems where 88% of global cattle graze, measurement becomes extraordinarily challenging. Yet without precise data, researchers cannot translate laboratory findings into reliable commercial recommendations. This measurement gap between what science discovers and what farmers can practically implement represents agriculture's critical bottleneck. When you combine this with the variability in dairy systems—roughly 20% natural variation in methane emissions even among genetically similar control animals—the path forward requires nuanced, system-level analysis rather than simple silver bullets.Today we are joined by Ermias Kebeab from UC Davis, whose research demonstrates that genetic selection offers a permanent, cumulative, and heritable pathway to improved feed efficiency. Kebeab's recent work evaluated the EcoFeed index developed by STgenetics, a genomic breeding value tool based on over 10,000 animals—7,623 growing Holstein heifers and 2,538 lactating cows. Results showed that selecting for improved residual feed intake (RFI) reduces lifetime emissions without compromising productivity. A one-standard-deviation improvement in genomic RFI decreased feed consumption by 2.73% and reduced lifetime CO2 equivalent emissions by 2.42% per animal—equivalent to 868 kg CO2e savings per cow. A three-standard-deviation improvement showed even greater potential, reducing feed intake by 8.2% and emissions by 7.31%, while simultaneously lowering feed costs by $199 per female.Ermias's research bridges research discovery with practical implementation across both the Global North and Global South. Kebeab's work on grape pomace byproducts—incorporated at 10-15% of dairy rations—demonstrates milk yield improvements alongside methane intensity reductions, while pre-fermenting almond hulls shows additional potential when economic trade-offs are favorable.Crucially, he emphasizes that the Global South's emissions reduction challenge differs fundamentally from the North. Where dairy systems produce less than 2,000 kg milk annually, the priority must be productivity improvement rather than limiting animal numbers. Rising energy and fertilizer costs disproportionately impact low and middle-income countries, making locally-adapted tropical breeds and resilient farming systems more viable than input-intensive Western genetics. Send us Fan Mail

May 27, 2026Episode 8054 min

Artificial Intelligence, the need for reliable data, and where it will have the greatest impacts on agriculture with Aidan Connolly, Agritech Capital

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 threatens to leave the agricultural sector further and further behind as the world accelerates into what might be called the "bullet train moment" of AI adoption.Today we are joined by Aidan Connolly, CEO of Agritech Capital, who has spent the past years advising agricultural organizations on AI readiness.  Aidan joins Ash Cloud to discuss how to restructure agricultural businesses for AI-driven decision-making without waiting for others to lead the way.The big challenge is that AI systems can only work with the data available to them. In agriculture, that data is fundamentally flawed. Most farm information is still captured by humans in notebooks, then transcribed into databases. Each step introduces errors, misinterpretation, and gaps that make datasets unsuitable for the sophisticated decision-making AI promises to deliver. Meanwhile, the major AI companies racing forward at incomprehensible speeds won't wait for agriculture to catch up.When you consider that farmers are constantly gathering sensory information through sight, sound, and observation while working in the field, data that never enters any database, the informational chasm becomes even more apparent. Yet animal production systems offer unique opportunities. Dairy cows milked three times daily provide recurring windows to assess milk quality, animal health, fertility, and nutrition. Hens laying eggs daily, pigs weighed multiple times, animals with collars and sensors, these continuous data streams contain vastly more untapped value than the sector has realized. Send us Fan Mail

May 4, 2026Episode 7943 min

Building a company that leverages biological complexity to improve livestock productivity with a reduced climate impact - Tom Williams Number 8 Bio

“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 wasted nutrition. Approximately 10% of feed energy consumed by ruminants escapes as methane rather than supporting growth or milk production. Few climate solutions offer both emissions reduction and immediate productivity gains for those implementing them.But here's the challenge: the rumen contains billions of microorganisms competing, collaborating, and interacting across complex metabolic pathways. Human knowledge of this biological complexity remains incomplete. Finding molecules that reduce methane without compromising animal health or performance requires casting an extraordinarily wide net.Today we are joined by Tom Williams, founder and CEO of Number 8 Bio, a synthetic biology company developing feed additives to reduce enteric methane emissions. Number 8 Bio's journey demonstrates rapid adaptation to scientific reality. Initially engineering yeast to produce bromoform and seaweed molecules, the team quickly recognized cost barriers for feed additive markets. They pivoted entirely, developing an automated in vitro rumen screening system processing approximately 100 tests weekly. Over several years, they screened thousands of potential products—peptides, enzymes, probiotics, natural extracts, small molecules, and combinations—seeking winners through systematic trial rather than theoretical prediction.The company now focuses on a single organic molecule showing methane reductions and productivity improvements in grazing systems. Initial feedlot trials revealed hydrogen buildup and intake reductions, so Williams followed the science toward pasture-based applications first. The discovery platform—now enhanced with bioreactors predicting live animal productivity outcomes—positions Number 8 Bio to develop additional molecules for different markets and stacking strategies as regulatory pathways allow.Send us Fan Mail

April 6, 2026Episode 7859 min

Building resilient agrifood systems across conflict zones and climate stressed regions with Bram Govaerts, CIMMYT

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 fertilizer and energy prices rise.  Today I am joined by Bram Govaerts, Director General of the International Maize and Wheat Improvement Center (CIMMYT), to his efforts to build resilient agrifood systems across conflict zones and climate-stressed regions.Seventy percent of food consumed in the Gulf states of Bahrain, Kuwait, Qatar, UAE, Saudi Arabia, and Iraq, flows through the Strait of Hormuz. Twenty percent of global nitrogen-based fertilizer exports through this same chokepoint. For decades, global food systems have been optimized for efficiency. Nitrogen fertilizer plants positioned beside oil fields and shipped on demand. This efficiency created abundance and affordability, but at a cost. But here's the challenge: we have become victims of our own success. Pursuit of efficiency without resilience has created dangerous choke points in systems we depend upon for survival. Food system fragility is never just about production disruptions. In Sudan, fertile soils along the Nile could feed the Gulf region, yet conflict has collapsed production systems that previously supplied the area. Across the globe, 60% of countries most affected by climate change also face armed conflict. Food insecurity drives migration and instability that compound the original crisis.CIMMYT's approach operates across three pillars: discovery, system development, and humanitarian response. Current research on biological nitrification inhibition could enable crops to utilize nitrogen fertilizer 30% more efficiently. In conflict zones like Sudan, CIMMYT works alongside internally displaced communities to maintain food production even during active warfare, embedding drought-tolerant seeds and recovery mechanisms directly into humanitarian interventions to reduce the traditional seven-year post-conflict rebuilding timeline.Send us Fan Mail

March 17, 2026Episode 771 hr 1 min

Leading US beef sustainability with Steve Wooten, Beatty Canyon Ranch

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 the same perennial grass species documented in Native American archaeological sites continue thriving today under rotational grazing systems.Steve approach to grazing and sustainability changed when he met Alan Savory and learned of his work on holistic management.Eleven years ago, the National Cattlemen's Beef Association established the U.S. Roundtable for Sustainable Beef, bringing together the entire beef supply chain—from cow-calf producers through feedlots, packers, processors, and retailers—alongside civil society organizations and universities. This unprecedented collaboration addressed a critical reality. Only 85% of the nation's cows currently brings a calf to weaning. No major corporation would accept a 15% efficiency loss before year-end, yet the beef industry has operated at this level while simultaneously wrestling with climate concerns and supply chain pressures. Steve's approach integrates multiple data streams, Agriwebb and Pasture Map for grazing tracking, Enriched Ag camera systems capturing images every six seconds for vegetation analysis, and soil carbon sampling. His drought management plan includes trigger dates in March, June, and October for adjusting stocking rates, early weaning protocols, and strategic culling based on meteorological projections. The ranch maintains ungrazed pastures as drought mitigation, ensuring forage reserves for subsequent years while varying grazing timing to provide near-full growing season rest between grazing events—defined in his environment as March through October.Send us Fan Mail

March 10, 2026Episode 7648 min

Data driven livestock production for feed efficiency with Andrew Freshwater Clear Creek Pastoral Co.

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 between efficient and inefficient animals can determine whether operations generate profit or struggle to cover overhead costs.Today we are joined by Andrew Freshwater, who has spent over 30 years using data to drive efficient breeding decisions across his sheep and cattle production enterprises in northeastern Victoria. Freshwater's family brought Angus cattle and Romney sheep to Australia in 1849, establishing a multi-generational commitment to livestock genetics.Recent heifer trials demonstrated dramatic efficiency differences between groups run as contemporary cohorts. Through Zoetis genomic testing, Freshwater documented that genetically inferior heifers showed poor feed conversion efficiency and marginal annual returns, while superior genetics in the same management system generated excellent profitability. The lesson is clear: breeding animals is neither pure art nor pure science, but rather a data-informed approach that acknowledges biological complexity while leveraging technology—from genomics to artificial intelligence—to optimize resource utilization across diverse farming systems.Beginning performance recording in 1989 as a teenager, Freshwater has accumulated over 80,000 sheep records representing approximately 3.5 million data points through long-term progeny testing programs. Rather than relying on static estimated breeding values, he has developed proprietary software that runs Monte Carlo simulations incorporating local climate data, grass types, and historical weather patterns to identify the most profitable animals for specific environmental conditions and management systems.Send us Fan Mail

March 3, 2026Episode 7553 min

Cow feed efficiency, the greatest area of untapped potential for beef production, with Matt Wilson West Virginia University

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 individual feed intake system at a central U.S. performance test facility. Since 2019, his team has collected daily individual feed intake, water intake, and body weight data on 600-900 animals annually, building machine learning approaches to determine intakes of grazing animals at scale.Wilson's research has revealed dramatic variation in resource efficiency. Two similar bulls in his performance tests gained at identical rates, yet one consumed 50% more feed—approximately 7,000 pounds annually—for no additional performance. This difference represents $600 per animal per year at conservative feed costs. For breeding females in the herd for ten productive years, such inefficiency compounds across their lifetime. Unlike feed additives that only work in formulated rations, genetic improvements in resource utilization are permanent, cumulative, and applicable across both feedlot and grazing systems globally.Of the 90 million beef cattle in the United States, approximately 88% spend their lives grazing on pastures or consuming harvested forages. The remaining 12% are finished in feedlots. Understanding what these grazing animals are actually consuming is critical for accurately assessing the environmental footprint of the beef industry. Grazing animals produce approximately 23 grams of methane per kilogram of dry matter intake compared to 10-13 grams for feedlot cattle—nearly twice as much per kilogram consumed. Since 88% of U.S. cattle and an even higher proportion globally are in pastoral systems where methane intensity is greatest, accurate measurement of grazing intake is essential.Send us Fan Mail

February 6, 2026Episode 7351 min

Investing in regenerative agriculture, the food system, and metabolic health with Carter Williams - iSelect Fund

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 both environmental and human health cannot be understated. Healthier soils with robust microbiomes produce crops with superior nutritional profiles—more micronutrients and beneficial phytochemicals that express through the soil-plant-human pathway. When people consume these nutrient-dense foods, they show reduced appetite for processed foods and better metabolic outcomes, though randomized controlled trials remain limited.Today we are joined by Carter Williams from iSelect Fund, a 10-year-old investment firm focused on reducing chronic disease by transforming food systems. Williams coordinates investments across the food value chain—from row crop biologics to novel sweeteners and soil health monitoring.iSelect Fund targets decommoditizing 5-10% of conventional agriculture rather than wholesale transformation, creating price premiums for regenerative producers while stabilizing markets for conventional farmers. The fund prioritizes nutrient density over yield maximization.Williams identifies cognitive load as agriculture's fundamental transformation challenge. Farmers with 20 years of conventional experience face learning entirely new systems. This extends throughout supply chains: CPG companies have infrastructure optimized for current grain varieties; input companies have systems built around synthetic fertilizer. Even willing stakeholders face substantial cognitive and financial investment requirements.The conversation explores modernizing Bureau of Land Management grazing practices. Research showing $200-300 million in upstream regenerative interventions could have prevented $10 billion in European flood insurance losses demonstrates how regenerative livestock management delivers net carbon-positive outcomes while improving rancher economics.Emerging feedback mechanisms accelerate adoption. Companies like Diatious provide data showing how feeding practices affect omega-3/omega-6 ratios, enabling evidence-based practice changes. Companies like Brightseed build in-silico models mapping how growing practices affect phytochemical expression and human metabolism.Williams argues consumer voice—amplified by influencers—now drives change more effectively than the previous decade's farmer-led push. As retailers stock out of cottage cheese due to GLP-1 diet trends rather than label-reading, market dynamics shift faster than Nielsen surveys suggested possible.Send us Fan Mail

January 30, 2026Episode 7447 min

Breeding for profitable, efficient, locally adapted and sustainable cattle with Troy Rowan University of Tennessee

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 with particular emphasis on cow efficiency, local adaptation, and genetic approaches to increasing sustainability. His research focuses on developing novel measurement approaches to create practical selection tools for grazing efficiency.The opportunity lies in emerging technologies. While decades of work developed feed efficiency tools for concentrate-fed feedlot environments, these measurements don't translate to grazing systems. Rowan's team explores indicators serving as stand-ins in genetic evaluations, using emissions as metabolic proxies, leveraging precision technologies like AI and computer vision to capture phenotypes previously impractical to measure on large animal groups.Methane and CO2 are important because they are the best indicator of metabolism currently available. Even though they are imperfect metabolism needs to be included to provide an indicator for cow feed costs.Looking forward, epigenetics and other "omics" technologies promise to revolutionize individual animal management. Rather than just predicting genetic potential passed to offspring, these tools could enable phenotypic predictions based on epigenetic marks, gene expression, or metabolomics. A feedlot receiving heterogeneous cattle could place animals in appropriate pens and management protocols based on predicted disease resistance, growth potential, or feed efficiency—filling in the 70% of trait variation that genetics alone doesn't capture. After measuring 10,000-plus animals to develop robust genetic evaluations, the next frontier is translating that knowledge into practical tools that work across the one the billion plus cattle worldwide, from intensive North American operations to pastoral African systems where data recording infrastructure remains the primary bottleneck.Send us Fan Mail

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