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X-WR-CALNAME:E-IPER Dissertation Defense: Anela Arifi
X-WR-TIMEZONE:Pacific Time (US & Canada)
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DTSTAMP:20260722T142901Z
UID:tag:localist.com\,2008:EventInstance_52948503963558
DTSTART:20260611T160000Z
DTEND:20260611T170000Z
DESCRIPTION:Please join us for an E-IPER dissertation defense by Anela Arif
 i: "The Future of Bioenergy: Maximizing Climate Mitigation Potential from 
 Biomass."\n\nIn-person: Y2E2 300\n\nVirtual: Zoom webinar (password: 62777
 7)\n\nABSTRACT\n\nBiomass is humanity's oldest fuel and a cornerstone of f
 uture climate stabilization. Prominent decarbonization scenarios allocate 
 roughly 20% of primary energy supply and over half of all carbon dioxide r
 emoval to bioenergy. At these scales\, biomass can come into conflict with
  demands for food\, biodiversity\, and water\, making it essential to allo
 cate the available supply where it delivers the greatest climate benefit. 
 This dissertation asks how biomass can be allocated to maximize climate be
 nefit per unit of carbon.\n\n\nI address this question across three chapte
 rs. In the first chapter\, I combine lifecycle assessment\, techno-economi
 c analysis\, and policy review to build an updated inventory of California
 's waste biomass energy potential through 2045. I find that biogas resourc
 es could reduce statewide emissions by roughly 8% and solid-waste resource
 s by 1–5% depending on the conversion pathway and end-product\, and that
  market-based fuel standards\, specifically California's Low Carbon Fuel S
 tandard and the federal Renewable Fuel Standard\, are decisive for economi
 c viability.\n\n\nIn the second chapter\, I compare ten bioenergy with car
 bon capture and storage (BECCS) pathways spanning liquid biofuels\, bioele
 ctricity\, and biohydrogen across 72 countries and multiple climate and so
 cioeconomic scenarios. Previous literature has favored bioelectricity as t
 he dominant BECCS pathway because its stationary point-source emissions ar
 e more amenable to capture than liquid biofuels. Instead\, considering bot
 h capturable and avoided emissions\, I find that liquid biofuel pathways d
 eliver comparable\, and in some cases greater\, total mitigation per unit 
 of biomass\, making diversification essential for reaching projected remov
 al scales.\n\n\nIn the third chapter\, I turn to aviation\, one of the har
 dest sectors to decarbonize and one where biomass-based fuels are among th
 e few drop-in replacements for fossil jet fuel. I quantify the climate val
 ue of sustainable aviation fuels (SAFs) beyond their CO₂ benefits\, show
 ing that SAFs can also suppress contrail cirrus clouds responsible for avi
 ation's dominant near-term warming contribution. Accounting for this effec
 t reduces SAF mitigation costs by 38–78%\, placing them within the cost 
 range of widely discussed carbon removal pathways such as direct air captu
 re\, BECCS\, and biochar. This reveals that current climate policy systema
 tically undervalues SAFs as a near-term mitigation tool.\n\n\nBy exploring
  how total mitigation depends on energy carriers\, conversion pathways\, f
 eedstocks\, and temporospatial context\, these chapters inform the deploym
 ent choices that maximize biomass's mitigation potential and the policies 
 that can enable them\, bringing the bioenergy potential of leading climate
  scenarios within reach.
GEO:37.42816;-122.175935
LOCATION:Y2E2 Building\, 300
SUMMARY:E-IPER Dissertation Defense: Anela Arifi
URL;VALUE=URI:https://events.stanford.edu/event/eiper-defense-anela-arifi
CATEGORIES:PhD Defense
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