Major Global Sustainability Conferences, Expos & Summits — 2025
🔋 ClimateTech Innovation Summit
📅 22–23 July 2025 | climatetechinnovationsummit.com
📍 San Francisco, USA
Where breakthrough technologies meet climate solutions. The ClimateTech Innovation Summit convenes innovators, investors, and policymakers to showcase and scale cutting-edge technologies addressing climate change. Topics include clean energy, carbon capture, green finance, and climate resilience.
🌾 Food & Agriculture Sustainability Summit
📅 10–11 September 2025 | foodagriculturesustainabilitysummit.com
📍 Amsterdam, Netherlands
A premier event for advancing sustainable food systems and agricultural practices. This summit explores regenerative agriculture, food security, sustainable supply chains, and innovative solutions to feed a growing global population while preserving ecosystems.
☀️ Solar Power International & Energy Storage International (RE+)
📅 29 September – 2 October 2025 | re-plus.com
📍 Anaheim, USA
The largest North American gathering of solar and energy storage professionals. This event highlights the latest technologies, market trends, and policy developments in solar energy and grid-scale storage, driving the transition to a clean energy future.
🏗️ Net Zero Conference
📅 1–2 October 2025 | netzeroconference.com
📍 Los Angeles, USA
The leading conference dedicated to achieving net-zero carbon emissions in the built environment. Learn from pioneers in sustainable design, construction, and operations about strategies, materials, and technologies that enable sustainable and resilient buildings.
♻️ Circular Economy Forum
📅 8–9 October 2025 | circulareconomyforum.com
📍 Brussels, Belgium
Focusing on the future of circularity, this forum brings together industry, governments, and innovators to rethink resource use. Topics include waste reduction, materials innovation, circular business models, and scaling circular economy practices across sectors.
🌍 WSTHA 2025 — World Sustainable Travel & Hospitality Awards
📅 29 October 2025 | wstha.com
📍 Dubai, UAE
Hosted at Terra, Expo City Dubai, WSTHA 2025 celebrates excellence in sustainable travel, tourism, and hospitality. With categories aligned to the UN SDGs, it honors organizations and individuals driving transformative sustainability initiatives across the globe.
🌳 COP30 — UN Climate Change Conference
📅 10–21 November 2025 | unfccc.int/cop30
📍 Belém, Brazil
The milestone 30th session of the UN Framework Convention on Climate Change (UNFCCC). COP30 will unite world leaders to assess progress and accelerate action on the Paris Agreement, with a strong focus on biodiversity, forest preservation, and just transitions.
2026 UPCOMING EVENTS
🌎 Cleantech Forum North America
📅 26–28 January 2026 | cleantech.com
📍 Paradise Point Resort & Spa, San Diego, USA
Cleantech Forum North America convenes up to 700 corporates, entrepreneurs, professional services, government, academic, and nonprofit experts. The event focuses on sustainable innovation and connecting corporations and investors to increase growth and impact. The 2026 agenda features sessions on market disruptions, climate capital needs in the U.S., and artificial intelligence in clean tech.
🌱 GreenBiz 26
📅 10–12 February 2026 | greenbiz.com
📍 JW Marriott Desert Ridge, Phoenix, USA
GreenBiz 26 brings together sustainability professionals and leaders from all sectors, including CEOs, CFOs, COOs, and heads of legal, supply chain, HR, and investor relations. Hosted by Trellis, the conference will explore decarbonization, disclosure, nature, and circularity. Themes include advancing transition finance, scope 3 emissions, and more.
💹 Wall Street Green Summit
📅 10–11 March 2026 | wallstreetgreensummit.com
📍 Cornell Club, New York, USA
Returning for its 25th anniversary, the Wall Street Green Summit remains one of the longest-running sustainable finance events worldwide. Founded by climate activist Peter Fusaro, the 2026 agenda spotlights climate tech investments, energy transition, carbon markets, and clean energy solutions.
💼 Responsible Investment Forum: New York
📅 18–19 March 2026 | peievents.com
📍 New York, USA
Hosted by PEI Group, the Responsible Investment Forum brings together 500+ sustainable finance professionals and institutional investors. Discussions will cover portfolio decarbonization, the shift from “ESG to ROI,” and evolving regulatory landscapes, attracting investors, fund managers, and industry experts.
🏛 DC Climate Week
📅 20–26 April 2026 | dcclimateweek.org
📍 Washington, D.C., USA
After a successful inaugural edition in 2025, DC Climate Week returns in 2026 to convene climate leaders in the nation’s capital. Themes and speakers will be announced, continuing the event’s mission to elevate climate action and policy dialogue.
🤝 Engage for Good 2026
📅 21–24 April 2026 | engageforgood.com
📍 Palm Springs, California, USA
Engage for Good gathers corporate leaders, nonprofits, consultancies, and tech providers to examine business’ role in social impact. Topics span CSR, ESG, and DEI, with speakers including B Lab U.S. & Canada CEO Jorge Fontanez, Walmart Foundation President Julie Gehrki, and ESPN VP of Corporate Sponsorship Kevin Martinez.
🏢 Corporate Citizenship Summit 2026
📅 23–24 April 2026 | conference-board.org
📍 New York, USA
Hosted by The Conference Board, the Corporate Citizenship Summit focuses on purpose-driven business and sustainable impact. The event convenes professionals in sustainability, governance, ESG strategy, and corporate citizenship for two days of discussion on driving positive change.
📊 Responsible Business USA 2026
📅 5–6 May 2026 | reutersevents.com
📍 Boston, USA
Responsible Business USA 2026, hosted by Reuters, gathers CEOs, legal, communications, and sustainability executives to discuss ESG compliance, decarbonization, circularity, and AI in reporting. The event emphasizes collaboration across industries to maximize sustainability outcomes.
🌿 Sustainable Brands 2026
📅 8–11 June 2026 | sustainablebrands.com
📍 Town and Country Resort, San Diego, USA
Shifting from fall to summer, Sustainable Brands 2026 provides corporate sustainability, brand, and innovation leaders with insights to integrate into annual planning. The event convenes executives and practitioners from across industries to advance brand-driven sustainability.
🔄 Trellis Impact 26
📅 23–26 June 2026 | trellisimpact.com
📍 Moscone Center, San Francisco, USA
Trellis Impact brings together 4,000+ professionals across climate tech, biodiversity, sustainable finance, and circular supply chains. By merging Bloom, Verge, GreenFin, and Circularity conferences, Trellis creates a unified platform for cross-sector sustainability innovation and collaboration.
🌍 Climate Week NYC 2026
📅 20–27 September 2026 | climateweeknyc.org
📍 New York, USA
Coinciding with the UN General Assembly, Climate Week NYC convenes global leaders, businesses, and activists for over 900 events across the city. The 2026 edition will align with UNGA’s 81st session, beginning 22 September 2026.
⚡ Net Zero USA 2026
📅 October 2026 | reutersevents.com
📍 California, USA
Net Zero USA 2026 convenes 200+ sustainability leaders to strategize on cutting scope 1–3 emissions and decarbonizing supply chains. Hosted by Reuters, the event focuses on leveraging green tech for low-carbon transitions. Finalized dates will be announced soon.
🌐 UN Climate Change Conference (COP31)
📅 November 2026 | unfccc.int
📍 Australia or Turkey
COP31, the UN’s annual climate conference, will bring together global policymakers to advance climate negotiations. While the host location remains undecided, Australia and Turkey are leading candidates, with potential for a co-hosting arrangement.