Next Unicorns: The Path to Reaching Net Zero with Avnos CEO Will Kain | E1810

Episode Summary

Executive Summary: The episode is a long-form discussion with Avnos CEO Will on climate change, direct air capture, and why his hybrid direct air capture (HDAC) approach aims to be cheaper and more scalable by capturing both CO2 and water from air. The conversation emphasizes the science of rising atmospheric CO2, the economics of carbon removal, policy support like 45Q, and the role of technology, renewables, and AI in driving climate solutions.

Main Topics: Why carbon capture matters (Priority: 5/5): The guest explains carbon capture as a set of technologies that remove CO2 from industrial exhaust or directly from ambient air, arguing it is necessary to address legacy emissions already in the atmosphere and to support net-zero goals. Climate science and the CO2/heat link (Priority: 5/5): A detailed discussion of how atmospheric CO2 rose from roughly 280 ppm before industrialization to around 420 ppm today, and how this excess traps heat and contributes to climate change, extreme weather, and ecosystem impacts. Avnos’ hybrid direct air capture (HDAC) model (Priority: 5/5): Avnos differentiates itself by capturing both CO2 and water from the same airstream, using the extracted moisture to release captured CO2 and thereby avoiding some thermal energy requirements and reducing water consumption. Economics, policy, and the 45Q tax credit (Priority: 4/5): The episode explains how current carbon-removal markets are driven by policy incentives, especially the U.S. 45Q tax credit, and why the industry must drive costs down from current levels toward the DOE target. Energy, water, and siting constraints (Priority: 4/5): The discussion covers the energy intensity of DAC, water tradeoffs, the need for additional renewable power, and the importance of siting plants where water, storage, and clean energy are available. Tech optimism, scaling, and AI (Priority: 3/5): The speakers argue climate tech is an integration and scaling challenge, not a lack-of-invention problem, and that AI/ML can accelerate discovery of better sorbents and chemical formulations.

Key Arguments: CO2 itself is not inherently bad; the problem is excess atmospheric concentration caused by industrial activity. Climate change is strongly linked to rising CO2 levels, with heat and extreme weather as the most visible consequences. Direct air capture is needed even if emissions fall, because removing legacy atmospheric CO2 is required to reach a stable climate. Avnos’ HDAC is more efficient because it captures water and CO2 together, turning water into a revenue stream and reducing thermal energy needs. Current DAC systems are too expensive and resource-intensive; innovation must cut energy and water use to make large-scale deployment viable. Policy incentives like 45Q are essential to create a market that can finance carbon-removal projects. The biggest climate gains will come from decarbonizing power and industry first, with carbon removal addressing hard-to-abate residual emissions. AI can speed up materials discovery and simulation, helping optimize adsorbents and lower cost per ton captured.

Data Points: Atmospheric CO2 pre-industrial level: ~280 ppm - Used as the approximate equilibrium level before the industrial age. Current atmospheric CO2 level: ~420 ppm (417–420 ppm) - Described as the present concentration of CO2 in the atmosphere. CO2 added since 2000: ~20 ppm - Growth in atmospheric concentration over the last 23 years. Total CO2 emitted since ~1800: ~2.5 trillion tons - Global emissions since the dawn of industrial activity. Absorbed by trees/plants/oceans: ~700 billion tons - Portion of historical emissions absorbed naturally. Excess CO2 remaining: ~800 billion tons - Estimated CO2 still in the atmosphere above baseline. Global annual CO2 emissions: ~50 billion tons/year - Current annual emissions from the global economy. Hottest month on record: July 2023 - Cited as the hottest month in recorded human history. Hottest week on record: June 2023 - Cited as the hottest week in recorded human history. Hottest years record: 10 of the 10 hottest years since 2010 - Used to underscore acceleration of warming. Other DAC energy use: ~2,500–3,000 kWh/ton CO2 - Generalized energy consumption for competing DAC systems. Other DAC thermal energy: ~2,000 kWh/ton CO2 - Thermal component often needed to release captured CO2. Other DAC water use: ~5–10 tons water/ton CO2 - Typical water consumption profile of other DAC systems. Avnos water output: ~5–10 tons distilled water/ton CO2 - Avnos claims its system produces water rather than consumes it. Avnos energy use: ~1,000 kWh/ton CO2 - Stated target/approximate efficiency advantage over competitors. Avnos pilot capacity: 30 tons CO2/year - Current pilot unit in Bakersfield, California. Next Avnos scale: 300 tons CO2/year - Planned next-stage unit also in Bakersfield. 45Q tax credit: $180/ton CO2 - U.S. direct pay incentive for captured and stored CO2. DOE target cost: <$100/ton CO2 - Target price point for direct air capture deployment. Current DAC clearing price: ~$600–$1,000/ton CO2 - Approximate current industry cost range mentioned. Net-zero target year: 2050 (aspirational), 2075 (more likely) - Guest’s estimate for reaching net zero globally. IPCC carbon removal need: 5–10 billion tons/year by 2050 - Referenced as required removal capacity.

Pivotal Quotes: "I think this is a stupid experiment to run. And that's why I'm doing Tesla." — Elon Musk (as quoted by host): Host recounts Elon’s view on climate risk and his motivation for Tesla. "The risk is totally asymmetric, isn't it? If we do nothing and climate change is a real thing, we're up a creek." — Jason / host: Argument for acting on climate even amid uncertainty. "We are producing five to 10 tons of distilled water per ton of CO2 captured." — Will (Avnos CEO): Key differentiator of Avnos’ hybrid direct air capture approach.

Implications: The episode frames climate tech as both urgent infrastructure and a major business opportunity. For listeners and industry, the message is: scale renewables, cut capture costs, and use policy plus AI to accelerate carbon removal and water-positive climate solutions.