2016

• Interview
  Fredheim, Arne; Ellingsen, Harald. (2016) Skal bli kvitt lakselusa med gigantmerd.

2014

• Lecture
  Ellingsen, Harald. (2014) Ligger det muligheter i havrommet?. Fagdag for realfag, Spjelkavik senior high school in Ålesund
• Lecture
  Ellingsen, Harald. (2014) Ligger det muligheter i havrommet?. Opening presentation for the opening of the Ocean Industry School, Spjelkavik senior high school in Ålesund
• Conference lecture
  Ellingsen, Harald. (2014) Environmental Impacts from Fishing and Aquaculture. Invited guest lecture at Chonam National University in Yeosu, South Korea
• Lecture
  Hildre, Hans-Petter; Emblemsvåg, Jan; Ellingsen, Harald. (2014) Forskningsdrevet innovasjon. Næringsdriv 2014 in Ålesund
• Lecture
  Ellingsen, Harald. (2014) Fra forskning til innovasjon og skaperkraft. Haugesundkonferansen 2014

2013

• Lecture
  Ellingsen, Harald. (2013) Department of Marine Technology and AMOS. Maritime Executive Program
• Lecture
  Ellingsen, Harald. (2013) Manglende ingeniørkapasitet. Hva betyr dette og hva bør gjøres?. Marine konstruksjoner og fartøy. Innledning og deltaker i paneldebatt
• Lecture
  Ellingsen, Harald. (2013) Marine and Maritime Research at NTNU, Present Activites and Future Plans. Presentation at "The Nansen Memorial Expeditions". Edu. and Res. in the Arctic
• Lecture
  Ellingsen, Harald. (2013) Åpning og oppsummering av Marintekniske dager. Marintekniske dager 2013
• Lecture
  Ellingsen, Harald. (2013) Bruk av Offshoreteknologi i det moderne havbruk. Årssamling FHL Midtnorsk Havbrukslag
• Lecture
  Ellingsen, Harald. (2013) Åpning av linjeforeningen Mannhullets Skipskonferanse 2013. Linjeforeningen Mannhullets Skipskonferanse

2012

• Conference lecture
  Fet, Annik Magerholm; Aspen, Dina Margrethe; Ellingsen, Harald; Skaar, Christofer. (2012) Sustainable Designs in view of Life Cycle Management. 11th International Marine Design Conference
• Conference lecture
  Shainee, Mohamed; Leira, Bernt Johan; Ellingsen, Harald; Fredheim, Arne. (2012) The Prospect of SPM cages for offshore mariculture. Offshore Mariculture Conference 2012
• Conference lecture
  Shainee, Mohamed; Leira, Bernt Johan; Ellingsen, Harald; Fredheim, Arne. (2012) An optimum design concept for offshore cage culture. 31st International Conference on Ocean, Offshore and Arctic Engineering
• Conference poster
  Schau, Erwin A. Meissner; Fet, Annik Magerholm; Finkbeiner, Matthias; Ellingsen, Harald. (2012) Life cycle assessment as a basis for eco-labelling of fish food products, In Corson MS, van der Werf HMG, editors. Proceedings of the 8th International Conference on Life Cycle Assessment in the Agri-Food Sector (LCA Food 2012). 8th International Conference on Life Cycle Assessment in the Agri-Food Sector
• Conference lecture
  Jafarzadeh, Sepideh; Ellingsen, Harald; Utne, Ingrid Bouwer. (2012) Emission reduction in the Norwegian fishing fleet: towards LNG?. 2nd International symposium on fishing vessel energy efficiency

2008

• Conference lecture
  Ellingsen, Harald. (2008) Environmental challenges in the Norwegian fishing industry. Fishing Technology Conference
• Conference lecture
  Ellingsen, Harald. (2008) Utfordringer og kunnskapsstatus for miljøregnskap fiskeri. Seminar og Miljøredskap fiskeri og Havbruk
• Conference lecture
  Ellingsen, Harald. (2008) Scale and nature of emissions from fisheries. Climate and the Ocean, Impact and Mitigation Challenges for Fishing and Shipping
• Conference lecture
  Ellingsen, Harald. (2008) Environmental challenges in the Norwegian fishing industry. Guest Lecturer, University of Busan
• Conference lecture
  Ellingsen, Harald. (2008) Energiøkonomisering i fiskeflåten. Prosjekt miljøregnskap
• Conference lecture
  Ellingsen, Harald. (2008) Opening and Welcome-keynote speech. Nor-Fishing Technology Conference 2008
• Conference lecture
  Ellingsen, Harald. (2008) Environmental Challenges in the Fishing Industry. Is it possible to verify whether the industry is sustainable or not?. Nor-Fishing Technology Conference 2008

2007

• Conference lecture
  Ellingsen, Harald. (2007) Can LCA studies improve the environmental impact of the fisheries?. The 5th International Conference LCA in Foods
• Conference lecture
  Ellingsen, Harald; Endal, Anders; Olsen, Yngvar. (2007) Education for sustainable utilization of marine resources: A new international master programme at the Norwegian University of Science and Technology (NTNU) in Trondheim. Ecosummit 2007: Ecological Complexity and Sustainability

2006

• Conference lecture
  Ellingsen, Harald. (2006) Bærekraftig innen norsk fiskeri - kan analyser fortelle oss hvor vi står?. Foredrag ved Universitetssteret i Isafjordur
• Conference lecture
  Ellingsen, Harald. (2006) Energy consumption in the Norwegian fishing fleet-trends and possiblities for reduction. Symposium on trends of changes in fishing nets selectivity, fuel saving and EU regulations. Symposium on trends of changes in fishing nets selectivity, fule saving and EU regulations

2004

• Conference lecture
  Ellingsen, Harald; Schau, Erwin Andreas Meissner; Aanondsen, Svein Aanond; Pedersen, Tom Arne. (2004) Environmental effects of wild caught cod, farmed salmon and chicken. Possible to compare?. Fourth SETAC World Congress

2002

• Conference lecture
  Ellingsen, Harald; Fet, Annik Magerholm. (2002) Tool for Environmental Efficient Ship Design. ENSUS 2002, Marine Science and Technology for Environmental Sustainability, University of Newcastle upon Tyne