Here are five must-see speakers to address sustainable development at a conference in 2026: Dimitri Carbonnelle, Nicolas Imbert, Cédric FONTAINE, Emilie Proyart, and Pascale Lefebure. With increasing pressure from stakeholders and the need for companies to integrate responsible practices into their strategy, this topic has become a true driver of competitiveness and innovation. Each of these speakers offers a complementary perspective, providing a comprehensive and practical view of today’s challenges. The table below details each speaker’s area of focus, helping you identify the expertise best suited to your needs.
| Last Name / First Name | Conference | Angle |
|---|---|---|
Dimitri Carbonnelle Français | Energy challenges: decarbonization, electrification, and resilience | Energy challenges: decarbonization, electrification, and resilience |
Nicolas Imbert Français | Understand and take action now to build global resilience in response to climate disruption | Building global resilience in response to climate disruption |
Cédric FONTAINE Français | Understanding rainwater, made simple: sorting fact from fiction between drought and flooding, and finally knowing what to do with the rain that falls at your home | Demystifies rainwater management with concrete and accessible solutions. |
Emilie Proyart Français | Feel Good - Eco-anxiety, a "healthy and congruent reaction" (WHO), but an emerging factor in Psychosocial Risks (PSR) | Approaches the ecological transition from the perspective of the human factor and team cohesion. |
Pascale Lefebure Français | Saving 60% of water is easy! | Offers simple and immediately applicable methods to save water and accelerate conservation. |
Our Speakers on the Topic
Dimitri Carbonnelle

For over ten years, Dimitri Carbonnelle has been guiding leaders and organizations through their transformation in response to climate and energy challenges. Founder of Livosphere and spokesperson for the Shifters, he excels at making the challenges of decarbonization and climate change adaptation accessible. Author of a forward-looking book on possible futures by 2050, he offers concrete action keys to anticipate upcoming changes, in line with companies’ transition expectations.
Talk: Energy Challenges: Decarbonization, Electrification, and Resilience
In a context of profound transformation in the energy sector, Dimitri Carbonnelle sheds light on the crucial issues of decarbonization, electrification, and network resilience. Participants will discover the challenges related to dependence on critical materials, infrastructure transformation, and innovative solutions (storage, smart grids, emerging technologies) to successfully transition to a sustainable and secure energy system.
Topics: transition-energetique, climat, changement-climatique, dereglement-climatique, environnement, rse, robustesse, resilience, avenir, prospective, intelligence-artificielle, transformation-digitale, innovation
Nicolas Imbert

An engineer by training, Nicolas Imbert has dedicated more than twenty-five years of his career to guiding organizations and communities toward global resilience, focusing on health, energy, food, and lifestyles. As President of Repanser, he leads concrete initiatives for transformation and transition, combining a deep understanding of key issues with hands-on action in the field. Author and co-initiator of major initiatives, he offers a human and systemic approach, directly connected to today’s climate and social challenges.
Talk: Understanding and Taking Action to Build Global Resilience Now in Response to Climate Disruption At a time when climate, health, and social crises are shaking our foundations, this talk offers practical keys to building global resilience, drawing on inspiring case studies and actionable levers tailored to each sector. Participants will leave with a proven methodology to turn vulnerabilities into opportunities and act effectively for performance that is economic, ecological, and societal.
Topics: urgence-ecologique, resilience, leadership, performance, territoire, biomimetisme, vivant, economie-circulaire, geopolitique, strategie, sante, urbanisme, economie, environnement, transition-societale, finance, industrie, consommation, gestion-de-crise, developpement-de-business, entrepreneuriat, transition-ecologique, positive-impact, transformation
Cédric FONTAINE

For nearly twenty years, Cédric Fontaine has been dedicated to highlighting the value of rainwater and rethinking our relationship with this resource, through hundreds of projects carried out with individuals, local authorities, and industry. As vice-president of the ATEP’s stormwater commission, he stands out for his clear and accessible teaching style, which sheds light on the real-world challenges of water management. His approach, rooted in hands-on experience, offers pragmatic solutions to better preserve this common good, in line with today’s expectations for environmental responsibility.
Talk: Understanding Rainwater, Plain and Simple: Sorting Fact from Fiction Between Drought and Flood, and Finally Knowing What to Do With the Rain That Falls at Home Dive into the mysteries of rainwater with Cédric FONTAINE, who unravels common misconceptions and contradictions: understand the water cycle, the impact of climate change, and the real solutions you can implement at home. Leave with clear answers, practical advice, and an enlightened perspective to take effective action in the face of drought and flooding challenges.
Themes: urbanisme, ville, eau, territoire, transition-ecologique, changement-climatique, environnement, ecologie, dereglement-climatique, secheresse, developpement-durable, sobriete, rse, industrie
Emilie Proyart

A digital pioneer, Émilie Proyart has supported the transformation of various sectors, from online advertising to leading the digital direction of major media outlets. With strong expertise in environmental and social transformation, she offers concrete approaches to help organizations adopt more responsible practices, particularly around sustainable digital strategies and change management. Her career resonates with today’s challenges of business transition and resilience.
Talk: Feel Good – Eco-anxiety, a “healthy and congruent reaction” (WHO), but an emerging factor of Psychosocial Risk (PSR) Come explore a new perspective on ecology by addressing eco-anxiety as a legitimate human response, while discovering practical solutions to turn these emotions into drivers of collective action. This talk will provide you with enlightening insights, inspiring examples, and practical tools to foster cohesion, strengthen motivation, and prevent polarization within your teams.
Topics: transition-ecologique, transition-societale, facteur-humain, durabilite, rse, transition, sciences-cognitives, intelligence-artificielle, environnement, leadership, management, innovation, resilience, motivation
Pascale Lefebure

An engineer by training, Pascale Lefebure has built her career around water management, technological innovation, and supporting change. With experience in ministries, the United Nations, and local circular economy projects, she shares concrete solutions to reduce water footprint. Her pragmatic approach, focused on action and knowledge-sharing, addresses today’s challenges of environmental efficiency and resourcefulness.
Talk: Saving 60% of Water Is Easy! In the face of water scarcity and the climate emergency, Pascale Lefebure reveals concrete and accessible solutions to reduce your water consumption by 60%, without sacrificing comfort or efficiency. Throughout this talk, you’ll discover how to easily adapt your daily life—at home and at work—thanks to innovative equipment and proven methods that can be applied across all sectors.
Themes: sobriete, ecologie, economie, rse, eau, developpement-durable, transition-energetique, transition-ecologique, habitat, secheresse, innovation