Welcome to our comprehensive guide to the most significant global sustainability events of 2025 and free sustainability and ecology topic based webinar trainings. This year marks a pivotal moment in the fight against climate change, with numerous conferences, summits, and festivals convening thought leaders, innovators, and activists worldwide.
From the United Nations Climate Change Conference (COP30) in Belém, Brazil, to EarthX in Dallas, USA, and the World Sustainable Development Summit in New Delhi, India, these events are at the forefront of shaping a sustainable future. Whether you're a policymaker, industry leader, or passionate advocate, this overview provides essential information on each event's focus, dates, and locations, helping you stay informed and engaged in global sustainability efforts.
What to share an event that you see missing on the list? Write us! contact@sustainability-lifestyle.com.
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Date start |
Location |
Focus |
About event |
International Renewable Energy Agency (IRENA) Assembly | January 13–14, 2025 | Abu Dhabi, UAE | Global renewable energy policies and initiatives | A gathering of energy ministers and experts to discuss the future of renewable energy and collaborative efforts. |
Basel Convention COP-17 | April 28, 2025 | Geneva, Switzerland | Hazardous waste management | A critical assembly of global policymakers dedicated to strengthening protocols on hazardous waste management. climera.earth |
Green Hydrogen Summit Europe | April 29, 2025 | Lisbon, Portugal | Renewable energy and green hydrogen | This premier event brings together policymakers, industry leaders, and innovators to explore green hydrogen’s role. climera.earth |
EarthX 2025 | April 23–27, 2025 | Dallas, USA | Biodiversity and renewable energy | One of the world’s largest environmental gatherings featuring immersive exhibitions and expert panels.Green.orgCarbonSuite+3climera.earth+3Green.org+3 |
Lisbon Energy Summit | June 3, 2025 | Lisbon, Portugal | Energy transition and security | The Iberian region’s leading event focusing on balancing energy security with net-zero ambitions.climera.earth+1illuminem+1 |
The Economist Sustainability Week | June 11–12, 2025 | New York, USA | Sustainable business and energy transition | Gathers business leaders to drive action on sustainability and help businesses become sustainable faster.illuminem+1CarbonSuite+1 |
UN Ocean Conference | June 16–20, 2025 | Lisbon, Portugal | Ocean conservation and sustainable use | A high-level conference aimed at accelerating action to conserve and sustainably use the ocean.Reuters+1CarbonSuite+1Footprint Intelligence+3climera.earth+3illuminem+3 |
Asia Climate Forum | June 19–21, 2025 | Singapore | Climate policy, green finance, and technology | A premier platform for governments, businesses, and NGOs to discuss climate action strategies and innovations in Asia. |
Hamburg Sustainability Conference (HSC) | June 2–3, 2025 | Hamburg, Germany | Advancing the UN Sustainable Development Goals | An international conference aiming to advance the United Nations' Sustainable Development Goals through global alliances and focused engagement. Footprint Intelligence |
Sustainable Brands Conference | June 23–26, 2025 | San Diego, USA | Brand-led sustainability and consumer engagement | Leading brands share insights on integrating sustainability into business models and influencing consumer behavior.cred+1AP News+1 |
Reset Connect London | June 24–25, 2025 | London, UK | Clean energy, green finance, and impact investments | The flagship event of London Climate Action Week showcasing clean energy and green finance.illuminem+1climera.earth+1climera.earth+1illuminem+1 |
Ecosummit Berlin | June 3–4, 2025 | Berlin, Germany | Green tech and net-zero innovations | Celebrating its 15th anniversary, this platform fosters collaborations to decarbonize the economy and promote sustainable technologies. Footprint Intelligence+4illuminem+4climera.earth+4climera.earth |
World Circular Economy Forum (WCEF) | June 3–5, 2025 | São Paulo, Brazil | Circular economy solutions | An invite-only event spotlighting sustainable growth and circular economy solutions.climera.earth+1CarbonSuite+1 |
Sustainable Development Goals Conference | July 15–17, 2025 | Stockholm, Sweden | Progress and challenges in achieving SDGs | A collaborative event to assess global efforts towards the 2030 Agenda and foster partnerships for sustainable development. |
GreenTech Festival | July 22–24, 2025 | Berlin, Germany | Innovations in green technologies | Showcasing cutting-edge sustainable technologies and solutions from around the world. |
Corporate Sustainability Leadership Conference | September 18, 2025 | Munich, Germany | Corporate sustainability management and decarbonization | The conference brings together sustainability professionals and industry leaders to explore the future of corporate sustainability management, decarbonization, and innovation. DIE WELTFootprint Intelligence |
Global Climate Action Summit | September 10–12, 2025 | Los Angeles, USA | Accelerating climate action through collaboration | Bringing together leaders from various sectors to discuss and promote actionable climate solutions. |
COP30 – UN Climate Change Conference | November 10–21, 2025 | Belém, Brazil | Climate change negotiations and global commitments | The 30th UN Climate Change Conference will be a crucial moment for assessing global progress towards net-zero emissions and climate adaptation, hosted in the Amazon region for the first time. Footprint Intelligence |
G20 Johannesburg Summit | November 22–23, 2025 | Johannesburg, South Africa | Global economic policies with an emphasis on sustainability | The 20th G20 Summit will be the first held in Johannesburg, focusing on solidarity, equality, and sustainability. Wikipedia |
Sustainable Innovation Forum | November 30–December 1, 2025 | Paris, France | Innovative solutions for climate change | A forum for showcasing and discussing innovative approaches to mitigating climate change impacts. |
Organizer |
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Trellis Group | Trellis Group offers a series of free webinars focusing on various aspects of sustainability, including carbon accounting, supply chain climate action, and energy resilience. Upcoming sessions include: Maximize SAP Green Ledger: A Guide to Carbon Accounting Readiness Future-Proofing Warehouses: Resilient Energy and Smart Infrastructure From Scope 3 to Success: Mastering Supply Chain Climate Action These sessions provide expert insights to accelerate your company's sustainability strategy. |
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DFGE – Institute for Energy, Ecology and Economy | DFGE offers a range of free webinars and trainings aimed at improving sustainability management. Topics include: Changes to the EU Omnibus Initiative to CSRD & Co. Emissions Calculation and Target Setting According to FLAG CDP: Review 2024 – Insights and FAQs from the Last Season These sessions are designed to help businesses navigate sustainability reporting and strategies. |
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AimHi Earth – Sustainability Training for Professionals | AimHi Earth provides free, impactful sustainability training sessions designed to inspire and empower individuals to make meaningful changes. Upcoming sessions include: Sustainability Essentials for Professionals Participants can earn a LinkedIn Sustainability Certification upon completion. |
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Celonis Academy – Sustainability Base Camp | Celonis Academy offers a free online training track called "Sustainability Base Camp," which includes: Sustainability Defined Environmental Sustainability Economic Sustainability Each course is designed to take around 30 minutes, providing learners with a comprehensive understanding of sustainability concepts. |
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Trinseo Sustainability Academy | Trinseo's Sustainability Academy offers a series of free webinars focusing on various sustainability topics, including: Enabling Circularity in the Automotive Industry Proven Polymer Recycling Technologies Sustainable Procurement: Trends in Reporting, Policy, and Managing Emissions These sessions aim to advance sustainability initiatives across industries. |
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GSDC Global Sustainability Webinar | The Global Skill Development Council (GSDC) hosts a free Global Sustainability Webinar, offering insights into sustainability practices and strategies. The event is designed for individuals with varying levels of knowledge and experience. | |
LATA Sustainability Webinars | The Latin American Travel Association (LATA) offers a series of sustainability webinars focusing on sustainable travel practices. Upcoming sessions include: Sustainability in Action: Inspiring Stories from the LATA Membership Industry Best Practices: CSRD and Scope 3 Reporting Sustainability Deep-Dive: Biodiversity and Animal Welfare These webinars provide practical insights and compliance guidance for travel businesses. |