International Oil Spill Science Conference 2026

IOSSC 2026 Themes

1. Contingency planning, preparation, and prevention

This theme will provide an overview of current and emerging strategies and tools that support contingency planning, preparation, and prevention across diverse contexts. Submissions are invited on regional response planning strategies that enhance coordination among agencies, communities, and industry, as well as risk assessment frameworks that support evidence-based prevention and preparedness. Topics include pre- and post-incident spill and baseline monitoring to improve environmental understanding and response effectiveness, and the assessment of risks from accidental releases (including those associated with salvage, and the decommissioning/removal of legacy infrastructures). Contributions addressing the development and application of spill response decision-support tools are encouraged, including the practical implementation of Net Environmental Benefit Analysis (NEBA) and Spill Impact Mitigation Assessment (SIMA) to guide response selection. The theme also welcomes work on spill science education, training, and capacity building that advances responder competency, knowledge transfer, and long-term resilience of spill response systems.

2. Oil fate and transport

This theme focuses on the fundamental processes that affect environmental behavior of oil following a spill. Contributions are invited on the physics of oil, including key weathering processes such as photooxidation, evaporation, dissolution, emulsification, and biodegradation that govern oil transformation over time. Topics also include oil dispersion and interactions with particles, such as sediments, marine snow, and microplastics, and their roles in vertical and horizontal transport, aggregation, and deposition. Submissions addressing the influence of environmental factors, such as temperature, salinity, hydrodynamics, sunlight, and biological activity, on oil transport, fate, and associated ecological effects are particularly encouraged. This theme welcomes laboratory studies, field observations, modeling approaches, and integrative analyses that improve mechanistic understanding of oil behavior and support more accurate predictions of oil movement, persistence, and impacts across diverse aquatic environments.

3. Mitigation

This theme addresses strategies, technologies, and decision-making approaches for mitigating the impacts of oil spills across diverse scenarios. Contributions are invited on shoreline spill mitigation, including physical, chemical, and biological response techniques, as well as site-specific challenges related to habitat sensitivity and recovery. Topics also include mitigation of marine spills, with emphasis on subsurface and deep-water releases, as well as the detection, tracking, and management of submerged and sunken oil. Submissions focusing on inland spills in freshwater systems, such as lakes and rivers, are encouraged, highlighting unique hydrodynamic, ecological, and water-use considerations. In addition, this theme welcomes studies on Arctic spill mitigation, addressing cold-region processes, ice interactions, logistical constraints, and emerging response technologies. Collectively, contributions under this theme aim to advance effective, environmentally responsible mitigation practices that reduce ecological and socio-economic impacts and support resilient spill preparedness and response across varied and challenging environments.

4. Advances in response technologies and countermeasures

This theme focuses on emerging and established technologies that enhance the effectiveness and efficiency of oil spill response operations. Contributions are invited on advances in oil containment and recovery, including innovations in booms, skimmers, sorbents, and related mechanical systems. Topics also include the treatment and management of oily wastewater, such as decanting and separation processes, as well as oil spill waste management and disposal practices that address operational, environmental, and regulatory challenges. Submissions are encouraged on spill treating agents, including dispersants and surface-washing agents, with emphasis on performance, sustainability, and application strategies. In addition to case studies, the theme will also include the results of scientific studies to expand the operational window for in-situ burning, and the enhancement of oil translocation processes. Presentations on the ecological significance and impact of natural attenuation and bioremediation are encouraged. Collectively, this theme aims to showcase advances that improve response efficiency, reduce secondary impacts, and support science-based decision-making during spill response.

5. Residual, existing and emerging challenges

This theme addresses ongoing and emerging challenges that shape the future of oil spill science, preparedness, and response. Contributions are invited on response strategies for unconventional products, such as diluted bitumen (dilbit), low-sulphur fuel oils, and biofuels, which present unique behavior, fate, and mitigation challenges. Topics also include improvements in crisis management practices, and emergency response command and control frameworks and refinements in Incident Command Systems (ICS) that enhance coordination and decision-making during complex incidents. Submissions are encouraged on advances in data management, response software, and integrated mapping platforms that support real-time situational awareness. In addition, this theme welcomes applications of artificial intelligence (AI) and machine learning in oil spill science and response, including prediction, monitoring, decision support, and training. Together, these contributions aim to address persistent gaps and harness emerging tools to strengthen response capability and resilience.

6. Spill identification, detection/surveillance, visualization and monitoring

This theme focuses on technologies and methodologies for identifying, tracking, and monitoring oil spills across spatial and temporal scales. Contributions are invited on oil spill environmental forensics, including chemical fingerprinting, source identification, and attribution techniques. Topics also include the development and application of oil sensors for in-situ, real-time detection and monitoring. Submissions are encouraged on remote sensing platforms, such as satellites, fixed-wing aircraft, drones, autonomous underwater vehicles (AUVs), and autonomous surface vehicles (ASVs), and their use in spill detection, surveillance, and visualization. In addition, this theme welcomes studies on the integration of monitoring systems, data streams, and standardized protocols that support coordinated observations and operational decision-making. Collectively, contributions under this theme aim to improve detection accuracy, situational awareness, and timely response through advanced sensing, monitoring, and integrated surveillance approaches.

7. Oil spill modeling

This theme focuses on the development and application of modeling tools to understand, predict, and manage oil spill behavior and impacts. Contributions are invited on models describing oil fate and behavior, including weathering processes such as biodegradation, evaporation, emulsification, oil droplet formation, and interactions with particles and interfaces. Topics also include modeling of oil slick/plume formation and transport under varying hydrodynamic and environmental conditions. Submissions addressing the simulation of biological impacts, ecosystem responses, and recovery processes are encouraged. In addition, this theme welcomes advances in spill response modeling, including tools that support response planning, scenario analysis, and real-time decision-making. Together, these contributions aim to improve predictive capability, reduce uncertainty, and enhance the integration of science-based modeling into operational spill response and environmental assessment.

8. Consequences of oil spills and clean-up operations

This theme addresses the environmental, biological, and socioeconomic consequences of oil spills and associated response actions. Contributions are invited on the ecotoxicological effects of spilled and residual oil, as well as biotic and abiotic oil degradation products, including exposure risks, toxicity, and short- and long-term impacts at community, population, and ecosystem levels. Topics also include the biological effects of spill response countermeasures, such as dispersants, surface-washing agents, and other treatments. Submissions examining public health outcomes, socioeconomic consequences, and impacts on ecosystem services are encouraged. In addition, this theme welcomes studies on wildlife impacts, injury assessment, and rehabilitation. Collectively, contributions under this theme aim to advance understanding of trade-offs, risks, and recovery processes to support informed decision-making and sustainable spill management.

9. Restoration and recovery

This theme focuses on post-spill restoration strategies and recovery processes that support the long-term rehabilitation of affected environments. Contributions are invited on natural resource damage assessments (NRDA), including methodologies for injury evaluation, quantification, and scaling of restoration actions. Topics also include approaches for monitoring restoration effectiveness, tracking site recovery, and assessing ecological resilience over time. Submissions are encouraged on database development, data management, advanced data analysis, and modeling tools that support restoration planning, performance evaluation, and adaptive management. This theme welcomes field studies, laboratory investigations, and modeling-based assessments that integrate physical, chemical, and biological indicators. Together, these contributions aim to improve restoration outcomes, enhance transparency and reproducibility, and support evidence-based recovery strategies following oil spill incidents.

10. Spill response to hazardous and noxious substances (HNS) and other contaminants of concern

This theme addresses preparedness, response, and recovery challenges associated with spills of hazardous and noxious substances (HNS) and emerging contaminants. Contributions are invited on risk and impact assessment of HNS and other contaminants of concern to emergency responders, including alternative fuels such as LNG, LPG, liquified ammonia, methanol, emerging biofuels (i.e., pyrolysis oils), as well as persistent petrochemical compounds (i.e., plastic nurdles), vegetable oils, electric vehicles/batteries and CO₂. Topics also include the development of sensors and the application of monitoring systems for detection, tracking, and exposure assessment. Submissions are encouraged on response technologies and operational strategies tailored to HNS incidents, as well as on policies, regulations, and scientific and technological advances that improve preparedness and response capability. Collectively, this theme aims to advance integrated approaches that enhance safety, environmental protection, and decision-making for complex spill scenarios involving non-traditional substances.

11. Advancing response through bridging Indigenous and Western knowledges

This theme highlights the importance of respectfully integrating Indigenous and Western knowledge to strengthen oil spill preparedness, response, and recovery. Contributions are invited on Indigenous-led research that reflects community priorities, place-based knowledge, and long-standing stewardship of land and water. Topics also include collaborative research partnerships that bring together Indigenous communities, scientists, responders, and decision-makers to co-develop knowledge, tools, and response strategies. Submissions may address ethical engagement practices, co-production of knowledge, governance frameworks, and the application of Indigenous knowledge in monitoring, risk assessment, response planning, and restoration. This theme aims to foster meaningful collaboration, mutual learning, and equitable partnerships that enhance response effectiveness while supporting Indigenous self-determination and culturally grounded approaches to environmental protection.

12. Case studies and lessons learned

This theme focuses on knowledge gained from real-world spill events, field trials, and retrospective analyses that inform future preparedness and response. Contributions are invited on reports from spills of opportunity, field trials, and pilot studies that evaluate response strategies, technologies, and operational decision-making under realistic conditions. Topics also include analyses of historical spills and long-term studies that examine environmental, biological, and socio-economic effects, recovery trajectories, and effectiveness of response actions over time. Submissions integrating monitoring data, modeling, and interdisciplinary perspectives are encouraged. By synthesizing practical experience and scientific evidence, this theme aims to capture lessons learned, identify best practices, and translate past insights into improved spill response, mitigation, and recovery strategies for future incidents.

13. Communication, engagement, and workforce development

This theme emphasizes the critical role of communication, engagement, and workforce development in advancing effective oil spill preparedness, response, and recovery. Contributions are invited on public engagement activities and rights holder/Indigenous (treaty partner) collaboration that support transparent, inclusive, and culturally respectful spill response. Topics include technology and knowledge transfer between the scientific and operational response communities, as well as approaches to strengthening research partnerships, collaborations, and professional networks. Submissions addressing oil spill response education, training programs, and innovations in workforce development and retention are encouraged. This theme also welcomes contributions that inform policy makers and regulators of advances in spill science and response, as well as studies examining safety of operations including human health impacts and socioeconomic recovery following oil spills. Contributions addressing community resilience and coping mechanisms at the local level following spill incidents are also encouraged. Together, these contributions aim to build a skilled, connected, and resilient workforce, educate communities and local leaders, and foster trust and engagement across stakeholders.

IOSSC 2026 Themes 1. Contingency planning, preparation, and preventionThis theme will provide an overview of current and emerging strategies and tools that support contingency planning, preparation, and prevention across diverse contexts. Submissions are invited on regional response planning strategies that enhance coordination among agencies, communities, and industry, as well as risk assessment frameworks that support evidence-based prevention and preparedness. Topics include pre- and post-incident spill and baseline monitoring to improve environmental understanding and response effectiveness, and the assessment of risks from accidental releases (including those associated with salvage, and the decommissioning/removal of legacy infrastructures). Contributions addressing the development and application of spill response decision-support tools are encouraged, including the practical implementation of Net Environmental Benefit Analysis (NEBA) and Spill Impact Mitigation Assessment (SIMA) to guide response selection. The theme also welcomes work on spill science education, training, and capacity building that advances responder competency, knowledge transfer, and long-term resilience of spill response systems. 2. Oil fate and transport This theme focuses on the fundamental processes that affect environmental behavior of oil following a spill. Contributions are invited on the physics of oil, including key weathering processes such as photooxidation, evaporation, dissolution, emulsification, and biodegradation that govern oil transformation over time. Topics also include oil dispersion and interactions with particles, such as sediments, marine snow, and microplastics, and their roles in vertical and horizontal transport, aggregation, and deposition. Submissions addressing the influence of environmental factors, such as temperature, salinity, hydrodynamics, sunlight, and biological activity, on oil transport, fate, and associated ecological effects are particularly encouraged. This theme welcomes laboratory studies, field observations, modeling approaches, and integrative analyses that improve mechanistic understanding of oil behavior and support more accurate predictions of oil movement, persistence, and impacts across diverse aquatic environments. 3. Mitigation This theme addresses strategies, technologies, and decision-making approaches for mitigating the impacts of oil spills across diverse scenarios. Contributions are invited on shoreline spill mitigation, including physical, chemical, and biological response techniques, as well as site-specific challenges related to habitat sensitivity and recovery. Topics also include mitigation of marine spills, with emphasis on subsurface and deep-water releases, as well as the detection, tracking, and management of submerged and sunken oil. Submissions focusing on inland spills in freshwater systems, such as lakes and rivers, are encouraged, highlighting unique hydrodynamic, ecological, and water-use considerations. In addition, this theme welcomes studies on Arctic spill mitigation, addressing cold-region processes, ice interactions, logistical constraints, and emerging response technologies. Collectively, contributions under this theme aim to advance effective, environmentally responsible mitigation practices that reduce ecological and socio-economic impacts and support resilient spill preparedness and response across varied and challenging environments. 4. Advances in response technologies and countermeasures This theme focuses on emerging and established technologies that enhance the effectiveness and efficiency of oil spill response operations. Contributions are invited on advances in oil containment and recovery, including innovations in booms, skimmers, sorbents, and related mechanical systems. Topics also include the treatment and management of oily wastewater, such as decanting and separation processes, as well as oil spill waste management and disposal practices that address operational, environmental, and regulatory challenges. Submissions are encouraged on spill treating agents, including dispersants and surface-washing agents, with emphasis on performance, sustainability, and application strategies.  In addition to case studies, the theme will also include the results of scientific studies to expand the operational window for in-situ burning, and the enhancement of oil translocation processes.  Presentations on the ecological significance and impact of natural attenuation and bioremediation are encouraged. Collectively, this theme aims to showcase advances that improve response efficiency, reduce secondary impacts, and support science-based decision-making during spill response. 5. Residual, existing and emerging challenges  This theme addresses ongoing and emerging challenges that shape the future of oil spill science, preparedness, and response. Contributions are invited on response strategies for unconventional products, such as diluted bitumen (dilbit), low-sulphur fuel oils, and biofuels, which present unique behavior, fate, and mitigation challenges. Topics also include improvements in crisis management practices, and emergency response command and control frameworks and refinements in Incident Command Systems (ICS) that enhance coordination and decision-making during complex incidents. Submissions are encouraged on advances in data management, response software, and integrated mapping platforms that support real-time situational awareness. In addition, this theme welcomes applications of artificial intelligence (AI) and machine learning in oil spill science and response, including prediction, monitoring, decision support, and training. Together, these contributions aim to address persistent gaps and harness emerging tools to strengthen response capability and resilience. 6. Spill identification, detection/surveillance, visualization and monitoringThis theme focuses on technologies and methodologies for identifying, tracking, and monitoring oil spills across spatial and temporal scales. Contributions are invited on oil spill environmental forensics, including chemical fingerprinting, source identification, and attribution techniques. Topics also include the development and application of oil sensors for in-situ, real-time detection and monitoring. Submissions are encouraged on remote sensing platforms, such as satellites, fixed-wing aircraft, drones, autonomous underwater vehicles (AUVs), and autonomous surface vehicles (ASVs), and their use in spill detection, surveillance, and visualization. In addition, this theme welcomes studies on the integration of monitoring systems, data streams, and standardized protocols that support coordinated observations and operational decision-making. Collectively, contributions under this theme aim to improve detection accuracy, situational awareness, and timely response through advanced sensing, monitoring, and integrated surveillance approaches. 7. Oil spill modeling This theme focuses on the development and application of modeling tools to understand, predict, and manage oil spill behavior and impacts. Contributions are invited on models describing oil fate and behavior, including weathering processes such as biodegradation, evaporation, emulsification, oil droplet formation, and interactions with particles and interfaces. Topics also include modeling of oil slick/plume formation and transport under varying hydrodynamic and environmental conditions. Submissions addressing the simulation of biological impacts, ecosystem responses, and recovery processes are encouraged. In addition, this theme welcomes advances in spill response modeling, including tools that support response planning, scenario analysis, and real-time decision-making. Together, these contributions aim to improve predictive capability, reduce uncertainty, and enhance the integration of science-based modeling into operational spill response and environmental assessment. 8. Consequences of oil spills and clean-up operations This theme addresses the environmental, biological, and socioeconomic consequences of oil spills and associated response actions. Contributions are invited on the ecotoxicological effects of spilled and residual oil, as well as biotic and abiotic oil degradation products, including exposure risks, toxicity, and short- and long-term impacts at community, population, and ecosystem levels. Topics also include the biological effects of spill response countermeasures, such as dispersants, surface-washing agents, and other treatments. Submissions examining public health outcomes, socioeconomic consequences, and impacts on ecosystem services are encouraged. In addition, this theme welcomes studies on wildlife impacts, injury assessment, and rehabilitation. Collectively, contributions under this theme aim to advance understanding of trade-offs, risks, and recovery processes to support informed decision-making and sustainable spill management. 9. Restoration and recovery  This theme focuses on post-spill restoration strategies and recovery processes that support the long-term rehabilitation of affected environments. Contributions are invited on natural resource damage assessments (NRDA), including methodologies for injury evaluation, quantification, and scaling of restoration actions. Topics also include approaches for monitoring restoration effectiveness, tracking site recovery, and assessing ecological resilience over time. Submissions are encouraged on database development, data management, advanced data analysis, and modeling tools that support restoration planning, performance evaluation, and adaptive management. This theme welcomes field studies, laboratory investigations, and modeling-based assessments that integrate physical, chemical, and biological indicators. Together, these contributions aim to improve restoration outcomes, enhance transparency and reproducibility, and support evidence-based recovery strategies following oil spill incidents. 10. Spill response to hazardous and noxious substances (HNS) and other contaminants of concern    This theme addresses preparedness, response, and recovery challenges associated with spills of hazardous and noxious substances (HNS) and emerging contaminants. Contributions are invited on risk and impact assessment of HNS and other contaminants of concern to emergency responders, including alternative fuels such as LNG, LPG, liquified ammonia, methanol, emerging biofuels (i.e., pyrolysis oils), as well as persistent petrochemical compounds (i.e., plastic nurdles), vegetable oils, electric vehicles/batteries and CO₂. Topics also include the development of sensors and the application of monitoring systems for detection, tracking, and exposure assessment. Submissions are encouraged on response technologies and operational strategies tailored to HNS incidents, as well as on policies, regulations, and scientific and technological advances that improve preparedness and response capability. Collectively, this theme aims to advance integrated approaches that enhance safety, environmental protection, and decision-making for complex spill scenarios involving non-traditional substances.  11. Advancing response through bridging Indigenous and Western knowledges   This theme highlights the importance of respectfully integrating Indigenous and Western knowledge to strengthen oil spill preparedness, response, and recovery. Contributions are invited on Indigenous-led research that reflects community priorities, place-based knowledge, and long-standing stewardship of land and water. Topics also include collaborative research partnerships that bring together Indigenous communities, scientists, responders, and decision-makers to co-develop knowledge, tools, and response strategies. Submissions may address ethical engagement practices, co-production of knowledge, governance frameworks, and the application of Indigenous knowledge in monitoring, risk assessment, response planning, and restoration. This theme aims to foster meaningful collaboration, mutual learning, and equitable partnerships that enhance response effectiveness while supporting Indigenous self-determination and culturally grounded approaches to environmental protection. 12. Case studies and lessons learnedThis theme focuses on knowledge gained from real-world spill events, field trials, and retrospective analyses that inform future preparedness and response. Contributions are invited on reports from spills of opportunity, field trials, and pilot studies that evaluate response strategies, technologies, and operational decision-making under realistic conditions. Topics also include analyses of historical spills and long-term studies that examine environmental, biological, and socio-economic effects, recovery trajectories, and effectiveness of response actions over time. Submissions integrating monitoring data, modeling, and interdisciplinary perspectives are encouraged. By synthesizing practical experience and scientific evidence, this theme aims to capture lessons learned, identify best practices, and translate past insights into improved spill response, mitigation, and recovery strategies for future incidents. 13. Communication, engagement, and workforce developmentThis theme emphasizes the critical role of communication, engagement, and workforce development in advancing effective oil spill preparedness, response, and recovery. Contributions are invited on public engagement activities and rights holder/Indigenous (treaty partner) collaboration that support transparent, inclusive, and culturally respectful spill response. Topics include technology and knowledge transfer between the scientific and operational response communities, as well as approaches to strengthening research partnerships, collaborations, and professional networks. Submissions addressing oil spill response education, training programs, and innovations in workforce development and retention are encouraged. This theme also welcomes contributions that inform policy makers and regulators of advances in spill science and response, as well as studies examining safety of operations including human health impacts and socioeconomic recovery following oil spills. Contributions addressing community resilience and coping mechanisms at the local level following spill incidents are also encouraged. Together, these contributions aim to build a skilled, connected, and resilient workforce, educate communities and local leaders, and foster trust and engagement across stakeholders.