Kristy Law
- 10 min read
Top Sustainability Conferences To Attend In 2025
Sustainability has evolved from a niche concern to a global priority, influencing industries, governments, and individuals alike.
What once focused primarily on conservation has now expanded to encompass climate action, circular economies, corporate responsibility, and sustainable innovation. As businesses and policymakers strive for net-zero targets, staying informed and engaged is more important than ever.
Sustainability conferences provide a vital platform for networking, knowledge-sharing, and collaboration, bringing together thought leaders, innovators, and changemakers.
In 2025, these events will tackle the latest challenges and opportunities in sustainable development, from green technology to ethical supply chains. Whether you're a business leader, researcher, or advocate, attending these conferences will keep you ahead of industry trends and equip you with actionable insights to drive meaningful change.
In this blog, we highlight the top sustainability conferences in 2025, the must-attend events for anyone committed to building a greener, more resilient future.
Economist Impact Sustainability Week
10 - 12 March 20205 | London, UK
In its 10th anniversary year, this year's Sustainability Week will incorporate the Energy Transition Summit.
This well-loved event, which will focus on sustaining the planet and profit, will have 200+ speakers and over 1500 attendees.
For the first time this year, the event will include the Sustainable Supply Chain and Procurement Summit and one-on-one meetings while enhancing and building upon their successful CSO Leaders Club.
The following topics will be discussed:
Decarbonising business and industry
Financing net zero
Biodiversity and Natural Capital
Sustainable supply chains
Circular economy
Regenerative agriculture and food security
Corporate sustainability leadership
Innovative technologies for sustainability
Cities' structures and the built environment
Climate resilience and adaptation
Navigating regulations
You can look forward to an array of speakers, including:
Emma Pinchbeck - Chief Executive, Climate Change Committee
Matt Damon - Co-founder, Water.org, WaterEquity
John Kerry - Former US secretary of state, first special presidential envoy for climate, co-executive chair, Galvanize Climate Solutions
Anke Ehlers - Managing Director International Sustainability, Aldi
Alejandro Agag - Chairman, Formula E
Heidi Barnard - Head of Sustainability, NHS Supply Chain
Ivo Mulder - Head, Climate Finance Unit, UNEP
Pauline Potter - Director of sustainability and procurement, Evri
Brian DiMarino - Managing director, deputy director of global sustainability, JP Morgan
And many others
Be quick to get your tickets and find out more via their website.
Earthx2025
21 - 25 April 2025 | Dallas, Texas
Earthx is back for its 15th year, and this time, it will be a five-day extensive environmental conference that heavily features in-depth sessions with business, political, and environmental leaders.
Bold solutions will be presented for the future of the planet, and a plethora of networking opportunities will encourage new partnerships; it’s one of the core sustainability conferences to attend.
“Their mission is to be an international environmental nonprofit connecting the global community to create a sustainable world for all life and future generations, which is so desperately needed.
Their vision is to be the leading global connector and environmental forum to positively impact the world for a sustainable future.”
The conference will cover four key areas:
The Future of Energy: Exploring innovations in clean energy, decarbonisation, and policy advancements.
The Circular Economy in Action: Discussing sustainable models and practices that promote resource efficiency.
Ocean Conservation and the Blue Economy: Focusing on marine preservation and sustainable ocean-based industries.
Conservation "Texas-Style": Highlighting private sector initiatives to enhance wildlife and habitat ecologies.
Attracting some of the world’s leading conservationists, scientists, environmentalists, entrepreneurs, farmers, government agencies, academics, political leaders, business professionals and more, it will be a great opportunity to engage with a wide range of of those in the sustainability sphere and enhance and introduce more collaborations,
Attracting speakers from a range of sustainability avenues, you can look forward to hearing from:
Gen. David H. Petraeus: Retired four-star general and former CIA Director.
Susan Eisenhower: Policy strategist and granddaughter of President Dwight D. Eisenhower.
Jeff "Skunk" Baxter: Renowned guitarist and defence consultant.
Tim Gallaudet: Former U.S. Navy Rear Admiral and oceanography expert.
Hap Klopp: Founder of The North Face and sustainability advocate.
Simon Mainwaring: CEO of We First and leader in social impact marketing.
Dr. Vladimir Ryabinin: Executive Secretary of the Intergovernmental Oceanographic Commission.
And many more
For more information and to buy your tickets, take a look at their website.
The European Sustainable Energy Week 2025 (EUSEW)
10 - 12 June 2025 | Brussels, Belgium & Online
This year, EUSEW is being delivered via a hybrid format to allow even more people to participate and learn about the future of Europe's sustainable energy.
Organised by the European Commission's Directorate-General for Energy and the European Climate, Infrastructure and Environment Executive Agency (CINEA), EUSEW stands as Europe's premier annual event dedicated to renewable energy and energy efficiency.
Topics Covered:
The 2025 edition will focus on the 'Clean Industrial Deal,' emphasising the pivotal role of EU energy policy in promoting a clean, competitive, and equitable transition. Sessions will delve into sustainable energy issues, spotlighting new policy developments, best practices, and innovative ideas.
Reasons to Attend:
Policy Conference: Engage in Europe's largest conference dedicated to renewables and efficient energy use, discussing the latest policy advancements and industry trends.
Networking Opportunities: Participate in the Energy Fair and various networking sessions designed to connect stakeholders and foster collaboration and the exchange of best practices.
Awards Recognition: Attend the EUSEW Awards ceremony, honouring outstanding individuals, projects, and ideas that have significantly contributed to sustainable energy.
Youth Engagement: Join the sixth European Youth Energy Day, providing a platform for young people aged 18–34 to share their vision for Europe's energy future.
Though we are still waiting for the confirmed lineup of speakers and exhibitors, this is one of the more significant events to attend and shouldn’t be missed.
To keep up to date with the latest news on this event, please take a look at their website.
Climate Week NYC 2025
21 - 28 September 2025 | New York, USA
Organised by the Climate Group, the annual Climate Week NYC convenes international leaders from business, government, and civil society to showcase and accelerate global climate action.
Past events have drawn in big sponsors such as Google, L’Oreal, KPMG, Pfizer, Nike, Meta, Unicef, Salesforce, and Hitachi. Therefore, this conference really is a sustainability event showstopper.
Ten key themes are up for discussion, with the wider week collaborating with climate leaders, activists, organisations, and artists across New York City’s five boroughs, alongside a range of hybrid and online activities.
This year, Climate Week NYC introduces a new Health theme, recognising its growing importance in climate discussions. The program will feature events examining the health impacts of climate change, cultural activations highlighting its effects on diverse communities, discussions on corporate responsibility and transparency, and conversations on cutting-edge innovations and technologies aimed at mitigating climate-related health challenges.
The events program is structured around ten core themes that will be discussed via various conference presentational methods:
Energy
Environmental Justice
Finance
Food
Health
Heavy Industry
Nature
Policy
Sustainable Living
Transport
Reasons to Attend:
Engage with Experts: Participate in interactive panels and discussions featuring industry leaders and policymakers.
Collaborate on Solutions: Network with diverse stakeholders to share best practices and develop innovative climate solutions.
Access Exclusive Content: Gain insights from exclusive sessions and workshops designed to drive impactful climate action.
The full lineup of speakers and the events programme are yet to be announced, so keep updated via their website.
The 20th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES)
5 - 10 October 2025 | Dubrovnik, Croatia
The 20th SDEWES much esteemed conference is dedicated to advancing and sharing knowledge on methods, policies, and technologies that enhance sustainability.
It focuses on decoupling economic growth from natural resource consumption and driving the transition to a knowledge-based economy, all while considering the economic, environmental, and social pillars of sustainable development.
A key challenge in the coming decades is improving efficiency by integrating life-supporting systems—leveraging surplus resources from one sector as inputs for another at the right time. Achieving sustainable development will require seamless integration across electricity, heating, cooling, transport, water, buildings, waste, wastewater, industry, forestry, and agriculture.
Sustainability is inherently interdisciplinary, making it an ideal field for diverse perspectives and collaborative problem-solving. The SDEWES Conference has emerged as a crucial platform for researchers to connect, exchange ideas, and foster discussions that shape the future of sustainable development.
Being one of the biggest and most influential sustainability conferences in the world, you can expect the following topics to be discussed:
Sustainability Methods and Approaches: Exploring metrics, multi-criteria analysis, life cycle assessment, and green economy strategies.
Planning, Management, and Analysis: Focusing on smart energy systems, urban planning, water-energy nexus, and sustainable tourism.
Policy and System Transitions: Addressing energy and climate policies, environmental management, agricultural policies, and social acceptance.
Resources and Technologies: Discussing renewable energy resources, advanced sustainable energy conversion systems, water treatment, and waste management.
Cross-Cutting Aspects for Sustainability: Including climate change modeling, pollution avoidance, and political aspects of sustainable development.
Why is it a must for anyone in the sustainability sector to attend:
Networking Opportunities: Connect with over 400 experts from diverse fields, including scientists, policymakers, and industry leaders, fostering collaborations and partnerships.
Comprehensive Program: Engage in sessions covering the latest research, innovations, and case studies in sustainability, energy, water, and environmental systems.
Exposure to Cutting-Edge Technologies: Discover emerging technologies and methodologies that are shaping the future of sustainable development.
The full programme, speaker and exhibitor list aren’t available yet, so keep an eye on their website to keep up to date and to buy your tickets.
Asia Clean Energy Summit (ACES)
28 - 30 October 2025 | Marina Bay Sands Expo & Convention Centre, Singapore
Known as the region’s leading event solely focussed on clean energy technology, policy and finance, ACES provides a platform for thought leaders from the public and private sectors to collaborate on harnessing clean energy for the future.
There is both a conference and an exhibition to attend. The conference will be held from 28 to 30 October, and the exhibition will be held on 28 and 29 October.
This year's event will focus on the theme of “Navigating the New Calculus of Clean Energy: Balancing Geopolitics, Innovation, and Investment in Asia.”
This theme captures the evolving clean energy landscape in the Asia-Pacific region, where rapid expansion and bold climate commitments align with shifting geopolitical dynamics and cutting-edge technological innovations.
The three days are centred around three core components and will be respectively represented by spending a day on each category, including discussions and presentations on the following topics:
Clean Energy
Asia’s Clean Energy Crossroads from COP29 Pledges to Power System Revolution
Decarbonising Asia’s Power Generation: The Path to Net-Zero through Digital Innovation
Financing Asia’s Energy Revolution: From Risk to Return - Unlocking the $3 Trillion Opportunity
And more
Solar and Storage
Asia Pacific Solar and Storage Markets: Harnessing Growth Amid Evolving Opportunities and Challenges
Decarbonising Industry: Solar-Storage Innovations for Sustainable Energy-Intensive Operations in Asia Pacific
Grid Modernisation: Enabling Large-Scale Solar-Storage Integration in Asia Pacific
Floating Power: Harnessing Asia’s Untapped Potential for a Viable and Sustainable Net-Zero Solutions
And more
Green Hydrogen
Asia Pacific Green Hydrogen Revolution: Setting the Stage for 2030
Breaking Barriers: Making Green Hydrogen Commercially Viable
Green Hydrogen Supply Chains: Building Regional Resilience
Scaling Green Ammonia Production: From Mega Projects to Maritime Applications
And more
We’re waiting for the list of speakers to be announced, but to stay up to date with their latest news and to get your tickets, please visit the ACES website.
If you would like to find out what other conferences we recommend, you can view the following articles: