APS March Meeting. American Physical Society (Las Vegas, Nevada). 6 March 2023. The new risks posed by nuclear facilities in war zones, and how to reduce them. Invited talk. Talk co-sponsored by APS Forum on Physics and Society and the University of Illinois Physics Department. Chair: Frederick Lamb (University of Illinois). Co-speakers: Rose Gottemoeller (Stanford University), Francesca Giovannini (Harvard University), Daryl Kimball (Arms Control Association), and Sahil Shah (Janne E. Nolan Center on Strategic Weapons).

Uncomfortable Knowledge Hub Webinar Series. Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona (Spain). 11 March 2022. ‘Rebirth of the Renaissance’: 11 Years after Fukushima, Nuclear Energy at the Crossroads. Invited talk (virtual). Invited by Prof. Mario Giampietro (ICREA/ICTA-UAB).

International Conference on Radioactive Waste Management. International Atomic Energy Agency (Vienna, Austria). 1–5 November 2021. The Socio-Technical Multi-Criteria Evaluation (STMCE) Method for Radioactive Waste Management Strategies: From the U.S. Experience to Other Applications. With R.C. Ewing. Poster presentation (first author). Invited by the Directorate-General for Energy Policy and Mines, Government of Spain.

Colloque café-scientifique organized by the Subatech laboratory–UMR 6457 (Nantes, France). 12 December 2020. Intégration sociotechnique des systèmes de stockage géologique des déchets radioactifs : mission impossible ? (in French). Invited talk (virtual). Invited by Prof. Bernd Grambow (Subatech).

43rd Symposium on the Scientific Basis for Nuclear Waste Management. Materials Research Society and International Atomic Energy Agency (Vienna, Austria). 21–24 October 2019. Integration of the Back-end of the Nuclear Fuel Cycle: An Overview. With R.C. Ewing. Invited oral presentation (first author).

Goldschmidt Annual International Conference. Geochemical Society and European Association of Geochemistry (Barcelona, Spain). 18–23 August 2019. Multi-scale, multi-criteria evaluation of nuclear waste repositories in different geologic settings. With R.C. Ewing. Poster presentation (first author). Session: 05o: Geochemical and Mineralogical Investigations Relevant to The Nuclear Fuel Cycle: Insights from Experiment, Theory, and Modelling. Chairs: R. Tinnacher (California State University East Bay), J. Luetzenkirchen (Karlsruhe Institute of Technology), F. Heberling (Karlsruhe Institute of Technology), D. Sassani (Sandia National Laboratories).

Office of National Security and International Studies, Los Alamos Laboratory (Los Alamos, New Mexico). 15 May 2019. Integration of the Back-end of the Nuclear Fuel Cycle: An Overview. Invited talk.

Center for Global Security & Cooperation, Sandia National Laboratories (Albuquerque, New Mexico). 14 May 2019. Multi-scale, multi-criteria evaluation of nuclear waste repositories in different geologic settings. Invited talk.

42nd Symposium on the Scientific Basis for Nuclear Waste Management. Materials Research Society (Boston, MA). 25–30 November 2018. What Has Been the Evolution and Structure of the Scientific Basis for Nuclear Waste Management?. With H.C. Sun, J. Yu, and R.C. Ewing. Oral presentation (first author). Session: ET15.01 – Perspectives on Strategy, Risk and Uncertainty in Radioactive Waste Management. Chairs: John McCloy (Washington State University, USA) and Wooyong Um (Pohang University of Science and Technology, South Korea)

42nd Symposium on the Scientific Basis for Nuclear Waste Management. Materials Research Society (Boston, MA). 25–30 November 2018. Uncertainty in Safety Assessments of Geological Repositories—Quantitative Performance Assessment vs the Safety Case Approach. With R.C. Ewing. Oral presentation (first author). Session: ET15.01 – Perspectives on Strategy, Risk and Uncertainty in Radioactive Waste Management. Chairs: John McCloy (Washington State University, USA) and Wooyong Um (Pohang University of Science and Technology, South Korea)

International Studies Association (ISA) Annual Convention 2018 (San Francisco, CA, USA). 4–7 April 2018. Trust and the Ethical Imperative of the U.S. Nuclear Waste Management Program. Oral presentation. Chair: Scott Sagan (Stanford University). Discussant: Steve Miller (Harvard Kennedy School).

Energy Systems and Modeling Group (ESMG), School of Earth, Energy & Environmental Sciences, Stanford University (Stanford, CA, USA). 7 February 2018. The Use of Complexity in Sustainability Assessment: Origins, Principles and Applications. Oral presentation. Invited by Prof. Sally Benson (Stanford University).

CISAC Science Seminar series, Center for International Security and Cooperation (CISAC), Stanford University (Stanford, CA, USA). 4 December 2017. A new perspective on nuclear waste management: facing the technical and social challenges of a complex science-policy issue. Oral presentation. Invited by Prof. Rodney C. Ewing (Stanford University).

Science Meets Parliament and “Brussels Week”, Science and Technology Options Assessment (STOA), European Parliament (Brussels, Belgium). 28–30 November 2017. Building trust in nuclear waste management through participatory quantitative story telling. Oral presentation. Invited by Wolfgang Hiller (European Parliament)

Stanford Complexity Symposium, Stanford University (Stanford, CA, USA). 14 November 2017. The Use of Complexity in Sustainability Assessment. Oral presentation.

3rd International Conference on Risk Perception, Communication and Ethics of Exposures to Ionising Radiation (RICOMET). International Atomic Energy Agency (IAEA) (Vienna, Austria). 27–29 June 2017. Building trust in the scientific basis for long-term nuclear waste management through quantitative story telling. Oral presentation. Session: Social and ethical aspects in, and of, long-term exposure situations. Chairs: Pascal Crouail (CEPN, France), Michiel Van Oudhesden (SCK-CEN, Belgium) and Marie Simon Cornu (IRSN, France)

4rt Congrés d’Energia de Catalunya (CoEnerCat) (Barcelona, Spain). 14–15 February 2017. Is Nuclear Power Compatible with Our Energy Future?. Oral presentation (Catalan). Session: Visió des de l’àmbit de l’energia.

Annual Joint Stakeholders Conference of the EU-ACP collaborative programmes. African, Caribbean and Pacific Group of States (ACP) House (Brussels, Belgium). 5–6 July 2016. The Challenges of Promoting Sustainable Energy Access in Southern Africa. With M. Giampietro. Oral presentation (plenary).

2nd International Renewable Energy Conference (IREC) of the Southern African Sustainable Energy Initiative (SASEI). University of Botswana (Gaborone, Botswana). 25–27 October 2016. Participatory integrated assessment of energy systems to promote energy access and energy efficiency. With C. Kiravu, L. Magole, S. Bukkens, A.M. Jeffrey, and M. Giampietro. Oral presentation (co-author).

2nd International Renewable Energy Conference (IREC) of the Southern African Sustainable Energy Initiative (SASEI). University of Botswana (Gaborone, Botswana), 25–27 October 2016. The Mmokolodi Village PARTICIPIA Case Study. With C. Kiravu, L. Magole, S. Bukkens, A.M. Jeffrey, and M. Giampietro. Oral presentation (co-author).

22nd Annual Conference of the International Sustainable Development Research Society (ISDRS). Universidade Nova de Lisboa (Portugal). 13–15 July 2016. Curbing the Paradox: The challenges of achieving sustainable energy access in Namibia, Southern Africa. With Z. Chiguvare, G. Gope, L. Wayiti, M. Castro-Gómez, and F. Yunta-Mezquita. Oral presentation (co-author).

22nd Annual Conference of the International Sustainable Development Research Society (ISDRS). Universidade Nova de Lisboa (Portugal). 13–15 July 2016. Scarcity in abundance: The challenges of promoting sustainable energy access in rural village communities in Botswana, Southern Africa. With C. Kiravu, and L. Magole. Oral presentation (co-author).

3rd Meeting Reset of U.S. Nuclear Waste Management Strategy and Policy, Center for International Security and Cooperation (CISAC), Stanford University (Stanford, CA, USA). 9–10 March 2016. Consent-Based Siting: Epistemological principles for its integrated analysis. Written contribution. Invited by Prof. Rodney C. Ewing (Stanford University).

2nd International Conference on Energy and Environment (ICEE). University of Minho (Portugal). 18–19 June 2015. Exploring the nexus between water and energy in Brazil with a focus on the quantitative analysis of electricity production. With E. Vásquez Arroyo, C. Madrid-Lopez, and M. Giampietro. Oral presentation (co-author).

9th Biennial International Workshop, Advances in Energy Studies (BIWAES). University of Naples Federico II (Naples, Italy). 4–7 May 2015. A Comparison of the Metabolic Pattern of Urban Informal Settlements in Rio de Janeiro and Cape Town. With V.E. Neves Santos, R.F. Carvalho Miranda, Z. Kovacic, and M. Giampietro. Oral presentation (co-author).

Annual Joint Stakeholders Conference of the EU-ACP collaborative programmes. African, Caribbean and Pacific Group of States (ACP) House (Brussels, Belgium). 1–2 April 2015. Participatory Integrated Assessment of Energy Systems to Promote Energy Access and Efficiency. With M. Giampietro. Oral presentation (plenary).

Global Land Project Open Science Meeting (GLP-OSM). Humboldt University (Berlin, Germany). 19–21 March 2014. It’s all about semantics: The use of grammars for the multi-scale integrated assessment of the nexus between energy, food and water. With J. Cadillo-Benalcazar, Z. Kovacic, C. Madrid-Lopez, T. Serrano-Tovar, J. Ramos-Martín, and M. Giampietro. Oral presentation (first author).

Global Land Project Open Science Meeting (GLP-OSM). Humboldt University (Berlin, Germany). 19–21 March 2014. Mauritius beyond the flows: the metabolic challenge of survival for mono-cultures. With C. Madrid-Lopez, T. Serrano-Tovar, J. Cadillo-Benalcazar, Z. Kovacic, J. Ramos-Martín, R. Aspinall, and M. Giampietro. Oral presentation (co-author).

Global Land Project Open Science Meeting (GLP-OSM). Humboldt University (Berlin, Germany). 19–21 March 2014. Quantifying drivers of land system change: remittances, food security and water overexploitation in Punjab. With Z. Kovacic, C. Madrid-Lopez, J. Cadillo-Benalcazar, T. Serrano-Tovar, J. Ramos-Martín, R. Aspinall, and M. Giampietro. Oral presentation (co-author).

Ecoscholars Talks. Ecologic Institute (Berlin, Germany). 18 March 2014. Energy, Complexity and Governance. Oral presentation. Invited by R. Andreas Kraemer (Ecologic Institute).

Workshop presenting the MuSIASEM methodology, Ecuadorian Ministry of Planning and Development (SENPLADES) (Quito, Ecuador). 3 February 2014. Que nos dice un análisis biofísica del Ecuador 2030? Irrupciones de sorpresas: Energía (Spanish). Oral presentation (plenary). Invited.

Workshop “Moving ahead to implement the Nexus Approach”, Climate, Energy and Tenure Division (NRC) of the Food and Agriculture Organization of the United Nations (FAO) (Rome, Italy). 5–6 March 2013. Resource accounting in sustainability assessments: establishing a nexus between land, water, food, energy and wealth using the MuSIASEM approach. With J. Cadillo-Benalcazar, Z. Kovacic, C. Madrid-Lopez, T. Serrano-Tovar, J. Ramos-Martín, and M. Giampietro. Oral presentation (co-author).

3rd Annual European Postgraduate Sustainable Development Symposium. Parthenope University (Naples, Italy). 13–15 February 2013. The Viability and Desirability of Alternative Energy Sources: Applying New Protocols in Sustainability Science. Oral presentation.

UKERC Summer School 2012. University of Warwick (UK). 17–22 June 2012. Assessing the Viability and Desirability of Alternative Energy Sources. Poster presentation.

1st Summit of the Emerging Leaders in Environmental and Energy Policy (ELEEP). Atlantic Council and the Ecologic Institute (Brussels, Belgium). 1 June 2012. Back to Reality-Checks: Achieving best practices in energy policy. Oral presentation. Invited.

Seminar Series of the ConCERNed for Humanity Club, European Organization for Nuclear Research (CERN) (Geneva, Switzerland). 2 April 2012. Is Nuclear Power a Viable Alternative Energy Source? Applying new protocols in energy analysis Oral presentation (keynote). Invited by Francesco Spano (CERN).

Xerrada “Fukushima, un any després” de La Fàbrica del Sol (Barcelona, Spain). 15 March 2012. Fukushima, un any després: el nuclear en cuestión(es) (Catalan). Oral presentation. Invited.

Public discussion inaugurating the exhibition “The Workers of Chernobyl”. Ajuntament de Flix, Fina Carranza (town councilor for culture) (Spain). 11 October 2011. Els ensenyaments dels accidents nuclears de Fukushima (Catalan). Oral presentation. Invited. Chair: J. Martinez-Alier (Universitat Autònoma de Barcelona).

Seminar “Chernobyl, Fukushima and Beyond: Reflecting on the Future of Nuclear Energy”. Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona (Spain). 9 May 2011. Reality check on nuclear safety. Oral presentation (keynote). Invited by K. Mayumi (University of Tokushima, Japan)

Public seminar and press conference on the nuclear reactor accidents of Fukushima in Japan. Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona (Spain). 21 March 2011. Learnings from an ongoing nuclear disaster. Oral presentation (keynote). Invited by J. Ramos-Martin (Universitat Autònoma de Barcelona)

Public conference “Can we break the addiction to fossil energy?”. CosmoCaixa Science Museum of Barcelona (Spain). 22 October 2010. Did we find a way safe and effective to store nuclear waste for thousands of years?. Oral presentation (plenary). Invited by M. Giampietro (Universitat Autònoma de Barcelona).

7th Biennial International Workshop Advances in Energy Studies (BIWAES). Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona (Spain). 19–21 October 2010. Tentative Ideas to Explore the Viability of the Nuclear Option. Poster presentation.