As a vibrant and cosmopolitan country, Europe has embraced the concept of sustainable events with enthusiasm, and the positive outcomes are noteworthy.
By 2030, the UK aims to cut greenhouse gas emissions from the built environment by 50%. As a result, there will be more innovation and knowledge, which could boost productivity and exports.
By setting a precedent for responsible event planning and execution, London establishes itself as a city committed to ensuring a sustainable and resilient future.
If you’re interested in the latest green living and sustainability trends and innovations and you love to interact with innovators and experts in person, then these listed sustainability events are for you.
You may be able even to get free tickets and attend workshops to get on top of your sustainability knowledge and best practices.
Whatever you’re interested in, these top sustainability events in the UK and Europe happening in 2025 should be in your diary. The events listed below are arranged in order of occurrence dates, from the earliest in the year to the latest.
Disclaimer: The listed events and dates were correct and up-to-date at the time of publication. The following has been organised based on the calendar dates, from earliest to latest.
1. Solar Energy Expo – 4th Edition, Warsaw, Poland (14-16 January 2025)
- The event showcases advanced solar technologies, including cutting-edge photovoltaic panels, energy storage systems, and tools for enhancing energy efficiency.
- It emphasises innovation and sustainable solutions to accelerate Poland’s transition towards renewable energy sources.
- Attendees benefit from knowledge exchange and collaboration opportunities with industry leaders, fostering partnerships that drive sustainable practices.
- The event supports the growth of a green economy by connecting manufacturers, distributors, and designers focused on renewable energy solutions.
- Hosted at Ptak Warsaw Expo in Nadarzyn, Poland, the venue is designed to accommodate large-scale industry events while prioritising sustainable infrastructure and operations.
Event Link
Website: https://solarenergyexpo.com/en/
Ticket Price: Once you register and fill out the address form, you’ll receive a free VIP welcome pack delivered to your home. It includes a complimentary personalised badge, the exhibition schedule, and a parking pass.
Contact Details:
- E-Mail: podawcze3@warsawexpo.eu
- Call: +48 518 739 124
Social Media:
2. Edie 25, London, UK (26-27 March 2025)
- The event empowers attendees with actionable strategies, expert insights, and innovative solutions to accelerate corporate sustainability and net-zero goals.
- With a focus on real-world impact, the event offers masterclasses, workshops, and talks designed to drive measurable change in sustainability practices.
- The Edie 25 event is open to senior leaders and decision-makers, including CEOs, CSOs, COOs, directors, and heads of departments in sustainability, CSR, climate change, strategy, risk management, external affairs, supply chain, procurement, and innovation.
- Organised by Edie, a Certified B Corp, the event reflects a strong commitment to social and environmental responsibility at every level.
- Hosted at the Business Design Centre in London, a spacious and proudly B Corp-certified venue, the event prioritises sustainability in both its operations and facilities.
Event Link
Website: https://event.edie.net/edie25/home
Ticket Price: Tickets for edie25 start at £397 for Sustainability/SME Corporate – Individual passes. For more information and the entire pricing structure, please check here.
Contact Details:
- E-Mail: eventenquiries@edie.net
- Call: 01342332043
Social Media:
3. WindEurope 2025, Copenhagen, Denmark (8-10 April, 2025)
- The event emphasises Denmark’s leadership in wind energy, with over 55% of the country’s electricity sourced from wind power, showcasing a proven model for sustainable energy systems.
- A strong focus on achieving Europe’s 2030 energy transition targets will drive discussions on actionable strategies and innovative solutions for a greener future.
- Collaboration across sectors and countries will be highlighted, fostering partnerships essential for advancing renewable energy goals and sustainability initiatives.
- Attendees will explore cutting-edge technologies and best practices to accelerate the adoption of clean energy solutions across Europe.
- The event will be hosted at the Bella Center Copenhagen, a venue renowned for its commitment to sustainability and environmentally responsible operations.
Event Link
Website: https://windeurope.org/
Ticket Price: Passes for the WindEurope Annual Event 2025 start at €91.25 for individual conference session tickets. For detailed pricing and more information, please visit here.
Contact Details:
- E-Mail: info@windeurope.org
- Call: +32 2 213 1811
Social Media:
- Facebook: 14K Followers
- X: 5K Followers
- YouTube: 1.48K Subscribers
- LinkedIn: 133K Followers
- Flickr: 26 Followers
4. DGTL Amsterdam, Netherlands (18-20 April 2025)
- This electronica festival claims to be uniquely circular among major dance events, using renewable energy, plant-based food, reusable tableware, and sustainable aviation fuel for artists.
- DGTL aims to be the world’s first regenerative event organisation. They focus on five pillars of sustainability: resources, energy, mobility, sanitation, and food. All energy used at DGTL events comes from renewable sources. The festival is meat-free, offering plant-based dishes to reduce environmental impact.
- DGTL Amsterdam 2025 will be held at the NDSM Docklands. Navigate to the following location: NDSM-Plein 85, 1033 WC Amsterdam.
Event Link
Website: www.dgtl.nl
Ticket Price: Tickets for the DGTL Amsterdam start at €63 for Sunday Loyalty passes. For detailed pricing and more information, please visit here.
Contact Details:
- E-Mail: hello@dgtl.nl
Social Media:
5. Sustainable Discovery Show, London, UK (3-4 May 2025)
Fashion and Lifestyle Show focused on Sustainability:
- This event is a unique opportunity to discover and shop from a curated selection of sustainable fashion and lifestyle brands.
- Through education, collaboration, and the celebration of eco-friendly innovations, Sustainable Discovery is creating a future where sustainable practices seamlessly integrate into daily life.
- Immerse yourself in a vibrant show where you can explore and experience a remarkable array of products and services that are kind to the planet and its people.
- The Sustainable Discovery event is scheduled at Chelsea Old Town Hall.
Website: www.sustainable-discovery.com
Ticket Enquiries: To be part of the sustainable revolution, interested participants can email or DM the team on Instagram.
Contact Details:
- Email: hello@sustainable-discovery.com
Social Media:
6. We Love Green, Paris, France (7-8 June 2025)
- This sustainability pioneer has operated on renewable energy for more than a decade, banning single-use plastics and sourcing organic food locally.
- The artists have yet to be announced.
- You can also attend talks and workshops on environmental and social issues.
- The event strives to promote environmental innovation and encourage the exchange of ideas with scientists, activists, and artists.
- We Love Green 2025 will be held at Plaine de la Belle Étoile in Paris, France.
Event Link
Website: www.welovegreen.fr
Ticket Price: Tickets for We Love Green 2025 start at €29 for Kids passes. For detailed pricing and more information, please visit here.
Contact Details:
- E-Mail: contact@welovegreen.fr
Social Media:
- Facebook: 112K Followers
- X: 14.9K Followers
- Instagram: 116K Followers
- YouTube: 2.23K Subscribers
- LinkedIn: 20K Followers
7. Re: Generation Earth UK Conference, Leeds, UK (18 June 2025)
- The event focuses on environmental regeneration, highlighting strategies for restoring biodiversity, enhancing ecosystems, and transitioning to sustainable practices across sectors.
- Attendees will explore circular economy innovations, green technologies, and sustainable agricultural practices, promoting solutions for a regenerative future.
- Emphasising cross-sector collaboration, the event fosters partnerships between business, government, and community leaders to drive positive environmental and social change.
- Workshops, live demos, and innovation labs offer hands-on opportunities to co-create actionable solutions for sustainability, resilience, and climate justice.
- Held at an accessible and sustainable venue, Re: Generation Earth 2025 will take place at The Royal Armouries, Leeds City Centre.
Event Link
Website: https://www.thesustainabilitycommunity.com/
Ticket Price: Tickets for the Re: Generation Earth UK Conference 2025 are £350.00 (£420.00 including VAT).
Contact Details:
- E-Mail: enquiries@thesustainabilitycommunity.com
Social Media:
8. European Sustainable Energy Week, Brussels, Belgium & Online (10-12 June 2025)
- This event, organised by the European Commission’s Directorate-General for Energy and the Executive Agency for Small and Medium-sized Enterprises (EASME), will promote clean energy solutions for a decarbonised and energy-efficient society.
- It will include a policy session, an energy fair, an awards ceremony, and a Young Energy Ambassador programme.
- This event serves as a platform for raising awareness about environmental and social issues. Through interactive exhibits, they contribute to a more informed and environmentally conscious citizenry.
- The event will take place on 10-12 June 2025 in Brussels and online.
Event Link
Website: https://interactive.eusew.eu/
Ticket Price: You must register yourself for the European Sustainable Energy Week 2025.
Contact Details:
- Email: energydays@eusew.eu
Social Media:
9. Sustainability Reporting Europe, London, UK (10-11 June 2025)
- This event, organised by Reuters Events, will bring together sustainability, finance, and policymakers to share how they are financing the transition to a clean, just economy and delivering greater transparency on sustainability risks through comparable, quantifiable reporting.
- They will help you understand how to utilise systems and processes to provide consistent, comparable, and reliable data in an automated fashion, and how sustainability can work closer and more effectively together with finance, risk, communication, and legal teams.
- The event will take place in London and will cover topics such as the Corporate Sustainability Reporting Directive (CSRD), the European Sustainability Reporting Standards (ESRS), and how to align reporting with stakeholder expectations.
Event Link
Website: https://events.reutersevents.com/
Ticket Price: Individual Attendance is £1,999. Group of 3 Attendees is £5,397 (save £600). Group of 5+ Attendees is £7,496 (save £2,499). All passes include 2-day access, a networking app, drinks, and post-event slides. Group discounts are applied automatically at checkout.
Contact Details:
- Email: enquiries@reutersevents.com
- Call: +44(0) 207 375 7500 / +44 (0) 207 375 7576
Social Media:
10. FT Hydrogen Summit, London, UK (24 June 2025)
- The event focuses on hydrogen’s critical role in advancing the global energy transition and reducing carbon emissions across industries.
- Attendees gain practical insights and actionable strategies to overcome challenges in scaling hydrogen technologies and infrastructure.
- Collaboration is emphasised through networking with leaders from hydrogen production, finance, and government policy sectors, driving sustainable innovation.
- Discussions highlight investment opportunities and financial mechanisms essential for accelerating the adoption of hydrogen as a clean energy source.
- Hosted in Marriott Grosvenor Square, London, the venue supports high-level engagements while aligning with sustainability goals through efficient operations and responsible event practices.
Event Link
Website: https://hydrogen.live.ft.com/
Ticket Price: The FT Hydrogen Summit offers an In-Person Pass at £1,549 for the super early bird (ends 26 January), £1,939 for early bird (ends 4 May), and £2,439 for full price. Corporate Packages are £4,182 for a group of 3 and £6,585 for a group of 5. The Digital Pass starts at £209 for the super early bird, £329 for the early bird, and £439 full price.
Contact Details:
- E-Mail: ftlive@ft.com
- Call: +44 (0) 207 775 6653
Social Media:
- Facebook: 2K Followers
- X: 60.2K Followers
- Instagram: 55.4K Followers
- YouTube: 19.2K Subscribers
- LinkedIn: 57K Followers
11. Green Gathering, Monmouthshire, UK (31 July – 3 August 2025)
- This family-friendly festival won the 2023 International Greener Festival Award for its 100% renewable power, veggie food, upcycling workshops, and non-pushy promotion of low-impact living.
- From solo artists to global rhythms, The Green Gathering showcases a vibrant tapestry of sound, blending psychedelic melodies, heartfelt folk tunes, bold punk anthems, and socially conscious singer-songwriters.
- With the infectious energy of swing, dance, ska, reggae, rap, and cabaret performances, this festival promises an eclectic and captivating musical journey that celebrates creativity in every note.
- Individuals can get involved in Green Gathering 2025 as traders, non-commercial stallholders, artists, crew members, volunteers, or participants in areas such as crafts, permaculture, and the kids’ area. Applications for these roles open between December and April, depending on the specific area or role.
- The 2025 Green Gathering will be held at Piercefield Park, Chepstow, Monmouthshire, NP16 6BE.
Event Link
Website: https://www.greengathering.org.uk/
Ticket Price: Tickets for The Green Gathering start at £10 for Child Ticket (under 2).
Contact Details:
- Email: info@greengathering.org.uk
Social Media:
12. World Water Week, Stockholm, Sweden (24-28 August 2025)
- The event highlights water’s essential role in reducing greenhouse gas emissions and fostering resilience to protect ecosystems and communities.
- It addresses interconnected crises, including climate change, environmental degradation, and biodiversity loss, with a dual focus on mitigation and adaptation strategies.
- A comprehensive approach to water is emphasised, covering freshwater, blue water, green water, and salt water, linking these elements to global climate systems.
- The event aligns with the UN’s 2025 theme on glaciers and the cryosphere, recognising oceans as integral to the hydrological cycle and climate resilience.
- Hosted both online and in Stockholm, Sweden, the event promotes accessibility and sustainability while leveraging a city known for its commitment to environmental innovation.
Event Link
Website: https://www.worldwaterweek.org/
Ticket Price: The online full-access pass for the World Water Week 2025 is free of charge.
Contact Details:
- E-Mail: worldwaterweek@siwi.org
- Call: 802425-8702
Social Media:
- Facebook: 9.7K Followers
- X: 7.1K Followers
- Instagram: 3.4K Followers
- YouTube: 2.32K Subscribers
- LinkedIn: 17K Followers
13. Sustainability LIVE, London, UK (9-10 September 2025)
- This event is a one-stop shop for all things sustainability, featuring exhibitions, conferences, workshops, and awards.
- You can learn from experts, discover new products and services, and connect with like-minded professionals.
- You will be able to build valuable relationships, engage in meaningful conversations, and establish new business connections whilst networking at the 2025 event.
- You will be able to place your brand in front of engaged executives.
- Sustainability LIVE in London is designed to inspire and empower senior Sustainability Executives, including C-level leaders, VPs, and Directors, from enterprise organisations.
- Held at the Business Design Centre in London, the event offers a unique opportunity for thought leaders to drive meaningful change in sustainability practices.
Event Link
Website: www.sustainability-live.com
Ticket Price: Tickets for Sustainability LIVE London 2025 start at £395 for the In-Person Delegate Ticket (super early bird). The Media Pass tickets & the Student tickets are free. For more information and prices, please visit here.
Contact Details:
- Email: marketing@bizclikmedia.com
Social Media:
14. London Climate Technology Show, London, UK (1 – 2 Oct 2025)
- The 3rd Annual London Climate Technology Show is dedicated to showcasing the latest technologies and solutions that can help tackle climate change and create a low-carbon economy.
- You can explore cutting-edge innovations, hear from industry leaders, and network with potential partners and investors.
- The London Climate Technology Show brings together key professionals from the fields of Finance, Agriculture and land Use, Carbon Capture Utilisation and storage, Transportation, Built Environment, Energy, ESG, IT, and a myriad of other industry sectors.
- The London Climate Technology Show welcomes exhibitors, sponsors, attendees, and passionate advocates for climate action. London Climate Technology Show takes place on October 1-2, 2025, at ExCeL London.
Event Link
Website: www.climatetechshow.com
Ticket Price: The full access delegate Pass for the London Climate Technology Show 2025 will cost you £495. For more passes and ticketing information please visit here.
Contact Details:
- Email: info@climatetechshow.com
- Call: +44 (0)208 242 6566
Social Media:
- Facebook: 207 Followers
- X: 319 Followers
- Instagram: 341 Followers
- YouTube: 38 Subscribers
- LinkedIn: 11K Followers
Sustainable events in Europe, with a focus on London, not only contribute to addressing global challenges but also position the region as a leader in sustainable development.
By fostering environmental consciousness, promoting innovation, and creating a positive economic and social impact, these events play a vital role in shaping a sustainable and resilient future.
Hopefully, we’ve inspired you to go out and discover more about sustainability near you, meet experts and visionaries, and take advantage of any of these exciting events.
If you want us to add a suggestion here based on your experience, please get in touch with us!
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- Online Media & PR Strategist
- Blogger and Educator by Passion | Senior Online Media & PR Strategist at ClickDo Ltd. | Fascinated to Write Lifestyle Blogs in News & Education I have completed a journalism summer course at the London School of Journalism and manage various blogs.
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