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Cleantech & Climatech VC Deals

Startup fundraising rounds in the Cleantech & Climatech sector.

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Date:May 20, 2026

ParaStruct

ParaStruct Gets โ‚ฌ170K for Green Building Material Tech
Investors:
SPRIN-D
Round:โ€”
Amount:$0.2M
Valuation:โ€”
Country:๐Ÿ‡ฆ๐Ÿ‡น ๐Ÿ‡ฉ๐Ÿ‡ช
Date:May 20, 2026

develoPPP Ventures

develoPPP Ventures Funds East African Impact Startups
Investors:
German Federal Ministry for Economic Cooperation and Development, DEG Impulse, DEG+6 more
Round:โ€”
Amount:$0.1M
Valuation:โ€”
Country:๐Ÿ‡ฐ๐Ÿ‡ช
Date:May 19, 2026

Impact Fund Denmark

Impact Fund Denmark Invests $25M in African Forestry
Investors:
EDFI Carbon Sinks, EDFI Management
Round:โ€”
Amount:$25.0M
Valuation:โ€”
Country:Tanzania, Uganda, Africa
Date:May 19, 2026

Greenpixie

Greenpixie Raises ยฃ4.7M for Sustainable AI & Cloud Solutions
Investors:
VERBUND X Ventures, Octopus Ventures, Armajaro Holdings+1 more
Round:Pre-Seed
Amount:$6.0M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 19, 2026

Greenpixie

Greenpixie Raises ยฃ4.7M for Cloud & AI Efficiency
Investors:
VERBUND X Ventures, Octopus Ventures, Armajaro Holdings+1 more
Round:โ€”
Amount:$6.0M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 19, 2026

Iceotope

Iceotope Raises $26M for AI Data Center Cooling Solutions
Investors:
Two Seas Capital, Barclays Climate Ventures, Edinv+3 more
Round:Series G
Amount:$26.0M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 18, 2026

Salt & Fiber

Seagrass Textiles: Salt & Fiber Secures โ‚ฌ300K Funding
Investors:
ร„lmhult x IKEA incubator
Round:Pre-Seed
Amount:$0.3M
Valuation:โ€”
Country:๐Ÿ‡ธ๐Ÿ‡ช
Date:May 18, 2026

Joulzen

Joulzen Repurposes Tanks for Smart Energy Storage
Investors:โ€”
Round:Pre-Seed
Amount:n/a
Valuation:โ€”
Country:๐Ÿ‡ฆ๐Ÿ‡น
Date:May 16, 2026

Fervo Energy

Fervo Energy IPO Surges on AI Power Demand
Investors:
Google, Breakthrough Energy, Devon Energy+1 more
Round:โ€”
Amount:$1.9B
Valuation:$10.0B
Country:๐Ÿ‡บ๐Ÿ‡ธ
Date:May 15, 2026

General Fusion

General Fusion Aims for 2035 Fusion Power Plant
Investors:โ€”
Round:โ€”
Amount:n/a
Valuation:โ€”
Country:๐Ÿ‡จ๐Ÿ‡ฆ
Date:May 15, 2026

CREW Carbon

CREW Carbon Raises $25M for Wastewater CO2 Capture Tech
Investors:
Burnt Island Ventures, AP Ventures, Sony Innovation Fund+9 more
Round:Series A
Amount:$25.0M
Valuation:โ€”
Country:๐Ÿ‡บ๐Ÿ‡ธ
Date:May 15, 2026

Iceotope

Iceotope Raises $26M for Advanced AI Cooling Solutions
Investors:
Two Seas Capital, Barclays Climate Ventures, Edinv+3 more
Round:Series B
Amount:$26.0M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 15, 2026

Iceotope Technologies

Iceotope Raises $26M for Advanced Data Center Cooling Tech
Investors:
Two Seas Capital, Barclays Climate Ventures, Edinv+3 more
Round:Series B
Amount:$26.0M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 14, 2026

Elvy

Elvy Secures โ‚ฌ5.9M for European Home Energy Subscription Growth
Investors:
Essential Capital, Daft Capital
Round:โ€”
Amount:$7.0M
Valuation:โ€”
Country:๐Ÿ‡ธ๐Ÿ‡ช
Date:May 14, 2026

Mantle8

Mantle8 Raises โ‚ฌ31M for Natural Hydrogen Exploration
Investors:
Sandwater, Breakthrough Energy Ventures, Bpifrance+3 more
Round:Series A
Amount:$32.4M
Valuation:โ€”
Country:๐Ÿ‡ซ๐Ÿ‡ท
Date:May 13, 2026

Resurrect Bio

Resurrect Bio Raises $10.3M for Plant Immunity Tech
Investors:
Corteva, Calculus Capital, Pymwymic+3 more
Round:Series A
Amount:$10.3M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡บ๐Ÿ‡ธ
Date:May 13, 2026

H2CHP

H2CHP Raises ยฃ1.5M for Green Data Center Power
Investors:โ€”
Round:โ€”
Amount:$1.9M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 13, 2026

MAX

MAX Secures $8M Debt for Green Mobility Expansion
Investors:
Equitane DMCC, Novastar
Round:โ€”
Amount:$8.0M
Valuation:โ€”
Country:Nigeria, Ghana
Date:May 13, 2026

H2CHP

H2CHP Raises ยฃ1.5M for Clean Data Centre Energy Tech
Investors:
Blackfinch Ventures, Northstar Ventures, Innovate UK
Round:โ€”
Amount:$1.5M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 13, 2026

Fervo Energy

Fervo Energy IPO Upsized to $1.82B
Investors:
Breakthrough Energy Ventures, Google, Shell+1 more
Round:โ€”
Amount:$1.8B
Valuation:$7.4B
Country:๐Ÿ‡บ๐Ÿ‡ธ
Date:May 12, 2026

Avalo.ai

Avalo.ai Seed Funding Boosts AI for Crop Resilience
Investors:
SOSV
Round:Seed
Amount:$2.9M
Valuation:โ€”
Country:๐Ÿ‡บ๐Ÿ‡ธ
Date:May 12, 2026

ๅฟ—้’ๅšๆ

ZhiQing Material Raises Seed Funding for AEM Technology
Investors:
ๅคง้€ฃ่ž็ง‘ๅ„ฒ่ƒฝ้›†ๅ›ฃ, ็†”ๆ‹“่ณ‡ๆœฌ
Round:Seed
Amount:$4.3M
Valuation:โ€”
Country:๐Ÿ‡จ๐Ÿ‡ณ
Date:May 12, 2026

ETH Zurich

ETH Zurich Deeptech Spinouts Seek Series A Funding
Investors:
EIF
Round:Series A
Amount:n/a
Valuation:โ€”
Country:๐Ÿ‡จ๐Ÿ‡ญ
Date:May 11, 2026

ESA NanoTech

Graphene Startup ESA NanoTech Gets CDP Venture Capital Boost
Investors:
CDP Venture Capital, LMDV Capital
Round:โ€”
Amount:n/a
Valuation:โ€”
Country:๐Ÿ‡ฎ๐Ÿ‡น
Date:May 9, 2026

Reel

Reel Raises โ‚ฌ15M for German Energy Market Expansion
Investors:
Future Energy Ventures, UVC Partners, Transition+1 more
Round:Series A
Amount:$16.3M
Valuation:โ€”
Country:๐Ÿ‡ฉ๐Ÿ‡ฐ ๐Ÿ‡ฉ๐Ÿ‡ช
Date:May 8, 2026

Humara

Humara Raises โ‚ฌ1.2M for AI Waste Management Platform
Investors:
Impact Shakers, Inclimo Climate Tech Fund, Zubi Capital+1 more
Round:Seed
Amount:$1.3M
Valuation:โ€”
Country:๐Ÿ‡ช๐Ÿ‡ธ
Date:May 7, 2026

Supercritical

Supercritical Raises Funds for Carbon Removal Expansion
Investors:
Greencode Ventures, Lightspeed Venture Partners, RTP Global+1 more
Round:Growth
Amount:n/a
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡บ๐Ÿ‡ธ
Date:May 7, 2026

Meatly

Meatly Raises ยฃ10.4M for Cultivated Meat Facility
Investors:
Oyster Bay Venture Capital, Clean Growth Fund, JamJar Investments+2 more
Round:Series A
Amount:$13.1M
Valuation:โ€”
Country:๐Ÿ‡ฌ๐Ÿ‡ง
Date:May 7, 2026

Celadyne Technologies

Celadyne Technologies Secures $250K Seed Funding for Hydrogen Tech
Investors:
UT Seed Fund, Longhorn Ventures
Round:Seed
Amount:$0.3M
Valuation:โ€”
Country:๐Ÿ‡บ๐Ÿ‡ธ
Date:May 7, 2026

Ecofy

Ecofy Raises $15M for Green Finance Expansion
Investors:
Mirova
Round:โ€”
Amount:$15.0M
Valuation:โ€”
Country:๐Ÿ‡ฎ๐Ÿ‡ณ
Date:May 6, 2026

LiveEO

LiveEO Secures โ‚ฌ28M for Geospatial Intelligence Growth
Investors:
Helantic, b2ventures, EIC+6 more
Round:Series C
Amount:$28.0M
Valuation:โ€”
Country:๐Ÿ‡ฉ๐Ÿ‡ช
Date:May 6, 2026

Enaxiom

AI Data Center Cooling Startup Enaxiom Raises $2.5M Seed
Investors:
Epic Angels, BlackNova, Antler
Round:Seed
Amount:$2.5M
Valuation:โ€”
Country:๐Ÿ‡ฆ๐Ÿ‡บ
Date:May 6, 2026

Biosphere

Biosphere Bags $9M DoD Grant for Air-Based Protein Bioreactors
Investors:
US Dept of Defense
Round:โ€”
Amount:$9.0M
Valuation:โ€”
Country:๐Ÿ‡บ๐Ÿ‡ธ

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