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This event occurred on
June 6, 2023
Porto, Porto

In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized (subject to certain rules and regulations).

Auditório ANJE
Casa do Farol, Rua Paulo da Gama
Porto, Porto, 4169-007
Event type:
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Alexandra Aragão

Jurist | Researcher | Ecologist
Alexandra Aragão is a legal scientist and environmental writer at the University of Coimbra. She believes that law can change the world. 50 years after Stockholm, she believes that the imperative to change the world is increasingly undeniable and urgent. As a researcher and ecologist, she fights for intergenerational responsibility and uses legal imagination as a weapon, which she believes should be put at the service of necessary and imperative transformations. One of these is the recognition of the climate as a heritage of humankind.

Alexandre Quintanilha

Biophysicist | Member of Parliament
His parents (father from the Azores, mother from Berlin) always fostered his curiosity. Spent the first 25 years of his life in Southern Africa, the following 20 years in the Bay Area, California and the last 30 in Portugal. Was lucky enough to have led numerous research groups that allowed him to share ideas with inspiring people. With a Ph.D. in theoretical Physics he quickly moved to biophysics and physiology, focusing on oxidative stress to living organisms and our understanding of Risk. Launched and ran several multidisciplinary research centres and institutes, as well as new graduate and undergraduate courses at UC Berkeley, the LBNL and the University of Porto. As a current member of Parliament, he hopes to consolidate knowledge-based policies.

Ana Barreira

International Environmental Lawyer
Ana is an international lawyer and sustainability practitioner with thirty years of experience leading policy and practice to advance on the environmental and social aspects of sustainable development across sectors and geographies. She is a Founder (in 1997) and Director of the International Institute for Law and the Environment. Adjunct professor on International Environmental Governance at the School of Politics, Economics and Global Affairs of IE. Legal Advisor for the 2002 EU Spanish presidency for the UN WSSD. Consultant for the WB, the European Commission and EIB in environmental projects. LL.M in International Legal Studies (NYU, 1996), and in Environmental Law (London University, 1993). Author of books and articles on different topics related to environmental protection. Broad experience in UN environmental fora such as the UNFCCC, Rio summits and UNEA.

Bill McKibben

Author | Educator | Activist | Founder of Third Act
Bill McKibben is a contributing writer to The New Yorker, and a founder of Third Act, which organizes people over the age of 60 to work on climate and racial justice. He founded the first global grassroots climate campaign, 350.org, and serves as the Schumann Distinguished Professor in Residence at Middlebury College in Vermont. In 2014 he was awarded the Right Livelihood Prize, sometimes called the ‘alternative Nobel,’ in the Swedish Parliament. He's also won the Gandhi Peace Award, and honorary degrees from 19 colleges and universities. He has written over a dozen books about the environment, including his first, The End of Nature, published in 1989, and his latest book is The Flag, the Cross, and the Station Wagon: A Graying American Looks Back at his Suburban Boyhood and Wonders What the Hell Happened.

Catarina de Albuquerque

Diplomat | Water and Human Rights Champion
Catarina de Albuquerque is the CEO of the UN-hosted Sanitation and Water for All global partnership, mobilizing over 370 governments, civil society and private organizations, academia, and other actors, in joint high-level advocacy to realize the human rights to water and sanitation. Previously, Catarina was appointed by the Human Rights Council to become the first UN Special Rapporteur on the human right to safe drinking water and sanitation. In 2010, she played a pivotal role in the recognition of water and sanitation as human rights by the UN General Assembly. Her work helped ensure that the rights to water and sanitation were incorporated into the Sustainable Development Goals. Between 2004 and 2008 she presided over the negotiations of the Optional Protocol to the International Covenant on Economic, Social and Cultural Rights, which the UN General Assembly approved by consensus. She also participated in the development of several other international human rights standards.

Emanuel Gonçalves

Biologist | Conservationist | Oceanographer
Emanuel Gonçalves is Chief Scientist and Member of the Board of Directors - Oceano Azul Foundation. Associate Professor at ISPA and Researcher at MARE. Member of the Oceano Azul Foundation’s Board of Directors and its Chief Scientist is a marine ecologist and conservationist, expert in marine conservation and in particular the creation, monitoring and implementation of marine protected areas in several regions, including discussions on the high seas. Associate Professor at ISPA – Instituto Universitário and researcher at MARE – Marine and Environmental Sciences Centre. Was deputy-head of the Portuguese Task Group for Maritime Affairs that developed the Portuguese National Ocean Strategy. Is a member of the Portuguese National Council of Environment and Sustainable Development.

Filipe Duarte Santos

Professor | Geophysicists

Francisco Araújo

Civic Entrepreneur | Law Guest Lecturer | Young Leader
Francisco Cordeiro de Araújo is a Guest Lecturer in the Law Faculty of the University of Lisbon, teaching International Public Law, European Union Law and Political Science. He is also Assistant Integrated Research Member in CIDP/ Lisbon Public Law. Among other topics, he is currently doing research on the right to a healthy environment as a justiciable human right. At 25 years old, he is a civic entrepreneur, embracing many missions. He is the President of Democracy 2.3 and the Founder of OS230, creating several projects of political literacy, civic engagement, democratic dialogue and connecting citizens with their representatives, whose efforts were recognized with the Youth Citizenship award 2021. He is a member of Lidera, a community of young Leaders focused on climate action, and a speaker that tries to raise awareness and spread knowledge in different areas.

Helena Freitas

Biologist | Ecologist | Environmentalist
Helena Freitas é Professora Catedrática de Biodiversidade e Ecologia no Departamento de Ciências da Vida da Universidade de Coimbra desde 2003, e titular da Cátedra UNESCO em Salvaguarda da Biodiversidade para o Desenvolvimento Sustentável desde 2014. Tem dedicado grande parte da sua atividade científica e pessoal à conservação da biodiversidade - a base dos sistemas ecológicos. Os ecossistemas fornecem uma vasta gama de bens e serviços essenciais à humanidade, sustentando a vida na Terra, e a sua conservação requer conhecimento e ação política em prol de uma gestão mais sensata dos recursos naturais da Terra. É coordenadora do Centro de Ecologia Funcional - Science for People & the Planet e Ponto Focal de Portugal para a IPBES - Intergovernmental Platform for Biodiversity and Ecosystem. É também Directora do Parque de Serralves.

Izabella Teixeira

Formulator | Dealmaker | Solutions-builder
Izabella Teixeira foi Ministra do Meio Ambiente do Brasil em 2010 e, em 2011, reconduzida ao cargo por Dilma Rousseff, então Presidente do Brasil. Concentrou-se na luta contra a desflorestação da floresta amazónica, tendo conseguido uma redução de 84% da desflorestação entre 2004 e 2012. Foi anfitriã da conferência Rio+20 (Conferência das Nações Unidas sobre Desenvolvimento Sustentável). Em 2012, foi nomeada pelo Secretário-Geral da ONU, Ban Ki-moon, para integrar o Painel de Alto Nível de Personalidades Eminentes sobre a Agenda de Desenvolvimento Pós-2015. Em 2017, foi eleita copresidente do Painel Internacional de Recursos do PNUA. Pela sua notável carreira, Izabella recebeu o Prémio Campeões da Terra do Programa das Nações Unidas para o Ambiente por Liderança Política em 2013.

João Amorim

Professor of International Law | Researcher | Lawyer
Professor of International Law at the Universidade Federal de São Paulo - UNIFESP. Lecturer in International Law at the Instituto de Relações Internacionais da Universidade do São Paulo (USP). Coordinator of the Sérgio Vieira de Melo Chair of the United Nations High Commissioner for Refugees (UNHCR) at UNIFESP. He was Scientific Coordinator of the José Bonifácio Chair (CIBA/USP). Project Coordinator and Regional Coordinator, in São Paulo, of the activities of the National Truth Commission (CNV). Author of the books “Direito das Águas - O Regime Jurídico da Água Doce no Direito Internacional e no Direito Brasileiro”, “A ONU e o Meio Ambiente - Direitos Humanos, Mudanças Climáticas e Segurança Internacional no Século XXI”, “Direito dos Estrangeiros no Brasil - Aspectos Teóricos e Práticos” and “Responsabilidade Internacional por Danos Ambientais em larga escala e pelas Alterações Climáticas".

Karl Burkart

NGO Leader | Climate Researcher | Futurist
Karl is Co-founder and Deputy Director of One Earth and formerly the Director of Media, Science & Technology at the Leonardo DiCaprio Foundation. One Earth supports academic institutions and NGOs working on the cutting edge of climate and energy science, biodiversity mapping, and sustainable food systems. Through grant making and development capacity, Karl works to scale innovative applications in big data, remote sensing, and artificial intelligence to accelerate land and ocean conservation efforts. Karl is co-author of “A Global Deal for Nature: Guiding Principles, Milestones, and Targets”, a groundbreaking paper published in Science Advances in 2019 that established the 30x30 global conservation target. He also led the development of the peer-reviewed Global Safety Net, which was recently designated as a “World Changing Idea” by Fast Company.

Klaus Bosselmann

Eco-Lawyer | Global Activist
Klaus Bosselmann is Professor of Law and Founding Director of the New Zealand Centre for Environmental Law at the University of Auckland. He has done consulting work for the United Nations, the European Union and the governments of Germany and New Zealand and currently chairs the Ecological Law and Governance Association, the Global Ecological Integrity Group and the Earth Trusteeship Initiative. Klaus is the author or editor of 30 books and 150 articles on international environmental law, global governance, and ecological law. For his pioneering work he received numerous awards including the Inaugural Senior Scholarship Prize of the IUCN Academy of Environmental Law and recently the International Carlowitz Sustainability Award. A long-term advocate of Earth governance, Klaus believes that states have a legal duty to protect the integrity of the Earth system. We, as civil society, must hold governments accountable for any neglect of taking this duty seriously.

Maja Groff

International Lawyer | Convenor
Maja Groff, Esq., is an international lawyer based in The Hague, and is Convenor of the Climate Governance Commission, which seeks to propose high impact global governance innovations adequate to meet the climate challenge. She serves as Co-Chair of the Coordinating Committee for the International Anti-Corruption Court (IACC), as well as on The Canadian Task Force Against Global Corruption. As a Principal Legal Officer, she has previously worked on the development and administration of multiple multilateral treaties. She was a co-winner of a major international prize in 2018 on global governance innovation (New Shape Prize), and co-authored the 2020 book, “Global Governance and the Emergence of Global Institutions for the 21st Century”. She also serves on the Advisory Boards of BCorp Europe and ebbf, organisations devoted to ethical business, and is NOW Partner.

Marcos Piangers

Journalist | Author
Marcos Piangers já foi chamado de guru pelo portal UOL e de "fenómeno da internet" pelo jornal O Globo. Trabalhou na Rede Globo e coordenou equipas de inovação no sul do Brasil. Já palestrou para os maiores eventos e empresas do Brasil, e em palcos de Portugal e Inglaterra. Os seus vídeos já atingiram meio bilião de visualizações na internet e sua palestra foi a mais bem avaliada por dois anos no maior evento de marketing digital da América Latina. É autor do best-seller "O Papai é Pop", que já vendeu mais de meio milhão de exemplares no Brasil, Portugal, Espanha, Inglaterra e Estados Unidos, e foi chamado de "o pai mais legal do Brasil" por revistas portuguesas. Participou no livro "Carta Para Meu Jovem Eu", ao lado de Paul McCartney e Jamie Oliver. Em 2022, seu livro "O Papai é Pop" foi adaptado para o cinema, interpretado por Lázaro Ramos e Paolla Oliveira.

Meri Wiikinkoski

Architect | Change Maker
Meri Wiikinkoski is an awarded architect and co-founder of Vapaa Collective together with Iines Karkulahti and Charlotte Nyholm. The collective is a creative actor combining theoretical and design work into artistic practice to envision new kinds of regenerative environments. They have chaired the Finnish Association of Architects' Future Committee, published an essay collection reflecting on the role of architecture in the climate crisis, and curated and designed several exhibitions, installations and discussions on the topic. Meri is enthusiastic about shaping a sustainable future and creating ways to design resilient and restorative architecture. She has practiced as a public building designer, held teaching positions at Aalto University and worked on various artistic installations.

Milene Matos

Biologist, Conservationist, Communicator
Licenciada em Biologia e doutorada em Biologia da Conservação na Universidade de Aveiro, complementando com formação especializada em gestão florestal e monitorização da vida selvagem em várias universidades europeias. Percebendo que a missão de proteger a biodiversidade é plural, dedicou-se à Comunicação de Ciência durante a sua investigação de pós-doutoramento, complementada por um Mestrado em Marketing e Comunicação Digital no IMF Business School de Madrid. Como comunicadora e conservacionista leva a biodiversidade aos corações e territórios das pessoas. Participou em projectos e publicações de referência para a conservação da biodiversidade e fundou a ONG ambiental BioLiving. Lecciona na Universidade de Aveiro e é consultora de projectos de conservação da biodiversidade, entre os quais o projeto LIFE Aegypius return, que visa consolidar o regresso do abutre-preto a Portugal, cinco décadas após a sua extinção.

Paulo Vieira de Castro

Environmentalist | Political Activist
Autor do livro "Isto não é uma Invenção - Eco-ansiedade e o Futuro do Planeta". É autor de várias obras dedicadas à autonomia crítica nas organizações e na educação. É coautor dos livros "The Tao of the Dow: Economics of Being" e "Marketing in a Changing Context". A nível pessoal, publicou, entre outros, "A Sociedade da Angústia - Alternativas Socioeconómicas", "O Livro da Dor e do Sofrimento - uma nova pedagogia para o mundo do trabalho, da família e da educação", "A Civilização do Medo - o Mundo como nunca o imaginámos", e "Samurai Management - Servir para Liderar". Paulo é membro da Assembleia Municipal do Porto e membro da Comissão Política Nacional do Partido Pessoas, Animais e Natureza (PAN). Durante mais de uma década, foi docente no Ensino Graduado e Pós-Graduado para as áreas de estratégia, comunicação e marketing.

Pedro Barata

Climate Negotiator | Carbon Markets Expert

Pedro Gaspar

Climate Tech Innovator
Pedro Gaspar is an innovation specialist, responsible for creating disruptive products and services, based on new business models. The future of cities and the fight against climate change are his focus now. Family is his passion and run marathons his hobby. He is currently the Future Business Technology Director at CEiiA and co-founder of several projects in the field of climate sustainability.

Prue Taylor

Jurist | Researcher | Advocate
We must transform our legal system so it reflects our current ecological reality and ensures we work together for the benefit of all. An innovative step in this direction would be to declare and recognise a stable climate system as the ‘common heritage’ of humanity and all life. This is a well-known concept in international law. This presentation explains why this step is so necessary and how it would fundamentally change the law and the obligations of nation states. It demonstrates that the combination of ‘commons’ and ‘heritage’ will give the climate system critical legal status around which a management regime can but built for the benefit of all, with particular concern for both intergenerational and global justice.

Tim Lenton

Researcher, Writer, Systems-Thinker
Tipping points in climate science normally refer to small changes in the Earth system that unleash much broader, typically damaging impacts that accelerate climate change. Well-known examples are rising sea levels due to disintegration of the Greenland and West Antarctica ice sheets, or the release of methane from the thawing permafrost. They help to underline the urgency of climate action. Today most people understand we must reduce emissions – and very quickly. In this talk, Tim will summarise recent evidence regarding climate tipping points, which supports declarations that we are in a ‘climate emergency’. Then he will turn to identifying positive social tipping points that will need to be triggered to have any hope of limiting global warming to well below 2ºC.

Tom Crowther

Tom Crowther is an ecologist exploring the connections between biodiversity and climate change. Whilst recognising that reducing the amount of emissions we are releasing into the atmosphere is key to achieving our climate goals, Tom is on a mission to make the case for nature as a vital tool in addressing climate change. Healthy ecosystems are major carbon sinks, they can contribute to 30% of our climate goals. Protecting and restoring nature is vital to stop runaway biodiversity loss. But investing in nature also gives us tools to sink atmospheric carbon and prevent the further release of stored carbon. Thriving ecosystems means thriving biodiversity. Thriving biodiversity underpins many of the processes that not only support human wellbeing, but also that remove carbon from the atmosphere. It's a virtuous feedback loop. Healthy nature results in an increased ecosystem capacity to sink carbon.

Yves Mathieu

Policy dialogues designer| Humanist | Ancestor
Yves Mathieu firmly believes that decision-makers and citizens of the 21st century possess an incredible potential to shape a positive future for humanity. This potential can be greatly enhanced by embracing new methods of communication and dialogue. By incorporating the "living system" of our planet and considering the well-being of future generations, we can amplify the effectiveness of our conversations. Yves extends an invitation to leaders from all corners of the globe to explore and experiment with innovative forms of shared deliberations, where randomly selected citizens are actively involved. These dialogues will be founded upon values such as mutual trust, consideration, and respect for all participants. Ultimately, Yves aims for the 21st century to be remembered as the time when crucial decisions, such as making climate a common heritage of humanity, were made to ensure the best possible living conditions for future generations on Earth.

Organizing team


Porto, Portugal

geraldes santos

Porto, Portugal