Top 10 Sustainability and Climate Tech Summits in 2026

As the global climate crisis intensifies, 2026 will be a defining year for climate innovation, sustainability strategies, and clean technology adoption. Around the world, scientists, business leaders, government officials, and tech innovators are converging at summits focused on climate tech, carbon neutrality, circular economy, ESG, and green finance.

Below is a curated list of the Top 10 Sustainability and Climate Tech Conferences & Summits to attend in 2026, covering the latest innovations shaping a net-zero future.

🔝 Top 10 Global Sustainability & Climate Tech Summits (2026)

🌱 1. The Climate Tech Summit 2026

📍 San Francisco, USA | 🗓️ November 3–4, 2026
Hosted by ClimateTech VC, this summit brings together startups, investors, and climate founders to accelerate decarbonization through technology.

🌐 2. ChangeNOW 2026

📍 Paris, France | 🗓️ March 19–21, 2026
ChangeNOW is the largest global event for solutions to the planet’s biggest challenges, with a strong focus on startups, eco-innovation, and global action.

🌍 3. COP31 – UN Climate Change Conference

📍 Baku, Azerbaijan | 🗓️ November 2026
The most important annual international climate summit, where countries gather to negotiate climate action targets and policies.

💼 4. GreenBiz 24 (Sustainability Week)

📍 Phoenix, USA | 🗓️ February 10–13, 2026
GreenBiz brings corporate leaders together to tackle ESG goals, decarbonization, and supply chain transformation.

📊 5. Economist Sustainability Week 2026

📍 London & Online | 🗓️ April 2026
This executive-level event examines the intersection of policy, business, and innovation, with speakers from governments, banks, and global firms.

🏦 6. Bloomberg Green Summit

📍 New York, USA | 🗓️ June 2026
Focused on green finance and climate risk, this summit draws global CEOs, investors, and thought leaders shaping sustainable markets.

⚡ 7. VERGE 26 – Climate Tech Conference

📍 San Jose, USA | 🗓️ October 27–30, 2026
Hosted by GreenBiz, VERGE is a high-impact gathering of leaders from energy, transport, food systems, and carbon removal sectors.

🤝 8. Sustainable Innovation Forum (SIF)

📍 Baku, Azerbaijan (COP31) | 🗓️ November 2026
A side event of COP31, SIF focuses on bridging government, finance, and industry to accelerate net-zero pathways.

🏙️ 9. ICLEI World Congress 2026

📍 Malmö, Sweden | 🗓️ May 2026
For cities and municipalities, this congress addresses how local governments can lead the urban climate transition through smart planning and nature-based solutions.

🚀 10. Future of Climate Tech Summit

📍 Berlin, Germany | 🗓️ July 2026
This newer but rapidly growing summit focuses on deep tech, venture capital, and the next wave of breakthrough climate technologies.

✅ Tips for Attending Sustainability Summits in 2026

• 🎤 Apply to speak or pitch if you’re a founder or innovator

• 💼 Prepare materials and digital business cards for networking

• 🧠 Research sessions in advance and personalize your schedule

• 💬 Follow hashtags like #ClimateTech2026 and #NetZero for live updates

📌 Final Thoughts

If you’re serious about sustainability, innovation, and climate impact, these summits are where ideas become action. From Paris to San Francisco to Baku, 2026 is a landmark year to build partnerships, learn from global leaders, and shape the future of our planet.

👉 Subscribe to renewableenergyconference.org/blog for updates, call-for-speaker deadlines, and early bird announcements!