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Sustainability In The Air

Podcast Sustainability In The Air
SimpliFlying
Travel makes the world a smaller and better place. Aviation has bounced back. However, as we experience climate change, we worry about our environmental impact....

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5 de 117
  • How business aviation can be the perfect testbed for sustainable aviation solutions
    In this episode, we talk to Kennedy Ricci, President of 4AIR, who shares insights into how business aviation can accelerate sustainability initiatives that could benefit the entire industry. 4AIR helps private aviation stakeholders implement impactful sustainability programs, ensuring compliance with environmental regulations and industry commitments through independent reviews. Ricci explains 4AIR’s broad approach to aviation sustainability, that extends beyond traditional carbon offsetting.He discusses:The development of 4AIR’s four-tier rating system for aviation sustainability, starting with carbon offsetting and progressing to more advanced solutions including SAF usage and investment in future technologies.Recent research on contrail reduction shows that adjusting just 50 flights out of nearly 17,000 could reduce the non-CO2 impact by about 50%. The study also found that 70% of contrail-producing flights could have avoided contrails by flying at different altitudes.The stark difference in contrail formation between US and European operations, with aircraft making contrails almost twice as frequently in Europe due to air traffic control (ATC) practices, highlighting the importance of ATC cooperation in sustainability efforts.Business aviation’s outsized role in sustainable aviation fuel adoption, consuming about 10-15% of global SAF production despite representing only 2% of aviation fuel usage, effectively serving as an early adopter for the broader industry.The implementation of innovative tracking solutions through their Assure platform, which has documented over 15 million gallons of SAF and helped establish a more robust system for tracking sustainable fuel usage.If you LOVED this episode, you’ll also love the conversation we had with Eloa Guillotin, Co-Founder & CEO of Beyond Aero. Check it out here.Learn more about the innovators who are navigating the industry’s challenges to make sustainable aviation a reality, in our new book ‘Sustainability in the Air’. Click here to learn more.Feel free to reach out via email to [email protected]. For more content on sustainable aviation, visit our website green.simpliflying.com and join the movement. It’s about time.Links & More:4AIR 4AIR launches Assure SAF registry to track and validate sustainable aviation fuel - Financial Post 4AIR awarded prestigious recognition by Environment+Energy - GlobeNewswire ‘Small changes to aircraft routings’ could reduce environmental impact - AGN 4Air compliance services expands with 21 more environmental requirements - Aviation International News 
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  • Why airports should become energy innovation hubs, not just transport hubs
    In this episode, we speak with Christina Cassotis, CEO of Pittsburgh International Airport (PIT), who shares her ambitious vision for transforming the airport into a sustainable aviation hub. Cassotis discusses Pittsburgh’s unique position and innovative approach to aviation sustainability. She highlights several key initiatives:PIT has achieved a remarkable milestone as the world’s first fully off-grid major airport. Through a public-private partnership, the airport commissioned a microgrid in 2021 that powers its entire operation. The airport is developing three SAF production pathways: alcohol-to-jet technology using ethanol, fugitive methane capture, and hydrothermal liquefaction converting organic waste to fuel.Their hydrogen strategy includes testing hydrogen-powered ground equipment like snowplows, developing distributed production technology, and establishing themselves as a regional hydrogen hub supporting both airport and public transportation needs.PIT leverages unique assets including its location above the Marcellus Shale natural gas deposit, existing fuel infrastructure with export capability, Carnegie Mellon University partnership, and the region’s energy innovation legacy.Opening in 2025, their new LEED Gold terminal features rainwater capture systems, recycled construction materials, and a design optimised for origin and destination traffic, reflecting their evolution from a former US Airways hub.Throughout the conversation, Cassotis emphasises the importance of taking incremental steps toward sustainability targets, sharing knowledge across the industry, and maintaining a balance between environmental protection and operational efficiency. Her vision extends beyond Pittsburgh, aiming to create a model that other airports can learn from and adapt. If you LOVED this episode, you’ll also love the conversation we had with Robb Etnyre, General Manager of Truckee Tahoe Airport. Check it out here. Learn more about the innovators who are navigating the industry’s challenges to make sustainable aviation a reality, in our new book ‘Sustainability in the Air’. Click here to learn more.Feel free to reach out via email to [email protected]. For more content on sustainable aviation, visit our website green.simpliflying.com and join the movement. It’s about time.Links & More:Pittsburgh Airport aims to be a ‘trailblazer’ in SAF production - Aviation Week Network PIT Named Among World’s Best in Environmental Sustainability - Blue Sky NewsMaking Pittsburgh a global leader in green aviation - Carnegie Mellon University KeyState, CNX advancing transformational hydrogen and sustainable aviation fuel hub at Pittsburgh International Airport - PR Newswire 
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  • Why Cambridge’s Aviation Impact Accelerator believes the path to net-zero must be defined by 2030
    In this episode, we talk to Professor Robert Miller, Director of the Whittle Laboratory at the University of Cambridge, who shares why 2030 targets are crucial for the aviation industry’s transition towards net zero.Miller is also the head of the Aviation Impact Accelerator (AIA), a collaboration between the Whittle Laboratory and the Cambridge Institute for Sustainability Leadership. The AIA recently released the “Five Years to Chart a New Future for Aviation” report which outlined 4 key Sustainable Aviation Goals, which, if achieved in the next 5 years, can help aviation reach net-zero by 2050. Miller shares insights into the recently released report and highlights several key issues:The misconception of smooth technology transitions, emphasising that historical precedents show abrupt changes with usually one dominant solution emerging, similar to VHS vs Betamax or cars vs horses.Operation Blue Skies which seeks to address persistent contrails by setting up “Airspace-Scale Living Labs”.The introduction of bold efficiency measures that could halve fuel burn by 2050, including reducing aircraft life from 30 to 15 years, flying 15% slower, and better matching aircraft to route distances.The challenges of scaling Sustainable Aviation Fuel (SAF) within global biomass limitations, with potential ticket price increases ranging from 30%-90% depending on production method.The opportunity for hydrogen adoption in long-haul aviation, with potential for 10-30% fleet penetration by 2050, focusing initially on the 50 largest hub airports that consume half of global jet fuel.The importance of launching moonshot technology demonstrations by 2030, including cryogenic hydrogen/methane fuels, synthetic biology, and hydrogen-electric propulsion.Throughout the conversation, Miller emphasises the urgency of immediate action. He stresses that while only 10% of the global population has flown, expanding access to air travel must be balanced with aggressive decarbonisation efforts.If you LOVED this episode, you’ll also love the conversation we had with Dr Florian Allroggen, Executive Director, Aerospace Climate & Sustainability, and a Research Scientist in MIT’s Department of Aeronautics and Astronautics, who shares the science behind contrails, their climate impact, and practical solutions for mitigation. Check it out here. Learn more about the innovators who are navigating the industry’s challenges to make sustainable aviation a reality, in our new book ‘Sustainability in the Air’. Click here to learn more.Feel free to reach out via email to [email protected]. For more content on sustainable aviation, visit our website green.simpliflying.com and join the movement. It’s about time.Links & More:Aviation Impact AcceleratorThe Whittle Laboratory  Five Years to Chart a New Future for Aviation - Aviation Impact Accelerator Cambridge report sets four goals to be implemented by 2030 for global aviation to reach Net Zero - GreenAir News 
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  • How Direct Air Capture can complement aviation’s sustainability toolkit
    In this episode, we talk to Anna Stukas, Vice President of Strategic Partnerships at 1PointFive, who shares insights into how direct air capture (DAC) technology works and its crucial role in aviation’s journey to net zero. Stukas, who has been working in carbon capture since 2015, discusses her role in commercialising DAC technology and developing strategic partnerships to scale this critical climate solution.Stukas discusses:The fundamental role of DAC in climate action, explaining how it captures CO2 directly from the atmosphere through an engineered system that mimics natural processes but operates more efficiently and with a smaller land footprint than trees.The scalability of DAC technology, exemplified by the STRATOS facility in Texas which, once completed, will capture up to 500,000 tons of CO2 annually.The critical importance of industry partnerships, including Airbus’s pre-purchase of 400,000 tons of carbon removal and subsequent agreements with airlines like easyJet, Air Canada, and Lufthansa; as well as Microsoft’s landmark 500,000 metric tons purchase agreement.The secure storage of captured CO2 deep underground, where it mineralises into calcium carbonate over geological timescales.The integration with renewable energy infrastructure, with facilities like STRATOS being powered by adjacent solar installations, creating additional opportunities for clean energy development.The complementary relationship between DAC and sustainable aviation fuel (SAF), with DAC addressing residual emissions while potentially serving as a future feedstock for SAF production.Throughout the conversation, Stukas emphasises that while DAC is not a “get-out-of-jail-free card”, it represents an essential tool in aviation’s decarbonisation toolkit. If you LOVED this episode, you’ll also love the conversation we had with Jane Ashton, Director of Sustainability at easyJet. Check it out here. Learn more about the innovators who are navigating the industry’s challenges to make sustainable aviation a reality, in our new book ‘Sustainability in the Air’. Click here to learn more.Feel free to reach out via email to [email protected]. For more content on sustainable aviation, visit our website green.simpliflying.com and join the movement. It’s about time.Links & More:1PointFiveEctor County DAC - STRATOS - 1PointFive Occidental’s 1PointFive secures funding of up to $500 million from US DOE - Reuters 1PointFive announces agreement to sell 500,000 metric tons of direct air capture carbon removal credits to Microsoft - GlobeNewswire ANA and easyJet commit to buying carbon dioxide removal credits from 1PointFive’s Texas DAC facility - GreenAir News 
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  • The perils of ignoring contrails in aviation’s race to net-zero
    In this episode, we talk to Dr Florian Allroggen, Executive Director, Aerospace Climate & Sustainability, and a Research Scientist in MIT’s Department of Aeronautics and Astronautics, who shares insights into the science of contrails and their impact on aviation’s climate footprint.Allroggen discusses his role, focusing on understanding aviation’s environmental impact and developing solutions for a net-zero pathway. He highlights several key issues:The formation of contrails as ice clouds when aircraft exhaust meets cold atmospheric conditions, and their dual role in both warming and cooling the atmosphere.The comparable magnitude of contrail warming effects to CO2 emissions, with varying impacts depending on the timeframe considered – contrails having larger short-term effects while CO2’s impact accumulates over centuries.The potential for contrail avoidance through flight path adjustments, particularly by changing aircraft altitude rather than horizontal routing, due to the “pancake-like” nature of contrail-forming regions.The development of real-time contrail detection technology using NASA satellite imagery and machine learning, currently being tested with Delta Air Lines.The challenges of implementing contrail avoidance strategies, including the need for air traffic control coordination and the balance between fuel efficiency and contrail reduction.The need for a holistic approach to aviation sustainability, addressing both CO2 and non-CO2 impacts while maintaining safety.Throughout the conversation, Allroggen advocates for practical experimentation and implementation of contrail mitigation strategies, while acknowledging the uncertainties and challenges involved. He emphasises the importance of making robust decisions despite uncertainties, drawing parallels with everyday decision-making under uncertain conditions.If you LOVED this episode, you’ll also love the conversation we had with  Maxime Meijers and Nicolas Meijers, co-founders of Estuaire. Check it out here. Learn more about the innovators who are navigating the industry’s challenges to make sustainable aviation a reality, in our new book ‘Sustainability in the Air’. Click here to learn more.Feel free to reach out via email to [email protected]. For more content on sustainable aviation, visit our website green.simpliflying.com and join the movement. It’s about time.Links & More:Impacts of multi-layer overlap on contrail radiative forcing - DOAJClimate - MIT LAE   Delta to work with MIT to study impact of airplane contrails on climate - CEHS How rerouting planes to produce fewer contrails could help cool the planet - MIT Technology Review How Estuaire’s data platform can help airlines and airports make better sustainability decisions - SimpliFlying 
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Travel makes the world a smaller and better place. Aviation has bounced back. However, as we experience climate change, we worry about our environmental impact. Sustainability in The Air, the world’s first podcast dedicated to sustainable aviation. Every week, Shashank Nigam, the CEO of SimpliFlying, talks to Airline, airport, travel and technology executives to help make sense of the Wild-West scenario. Our mission is to show the many paths to net zero, for an industry that is one of the hardest to decarbonize. Whether you're a frequent flier, an airline Executive or just love traveling, if you care about sustainable global travel then welcome aboard. Our mission is to get you the latest insight from a top airline or technology C-level executive willing to share their organization's journey to building a sustainable future.Feel free to reach out via email to [email protected]. For more content about sustainable aviation visit our website simpliflying.com and join the movement. It’s about time.
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