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Climate-Tech Deals Hit Record 153 in 2026's First Half
- •The climate technology sector recorded its busiest first half on record in 2026, with 153 public listings and acquisitions, a 70% increase from H1 2025. This period saw capital concentrating in fewer, larger deals, with the average round size increasing from $18 million to $27 million.[Latitudemedia, Briefs]
- •Seventeen climate tech companies went public via IPOs, raising $6.7 billion, marking the most active period since early 2022. This public market recovery was largely concentrated in the energy sector, which represented nearly 60% of companies that went public.[Briefs]
- •Low-carbon data centers are a surprising key driver, pushing the Built Environment vertical to an over 800% increase in H1 2026, surpassing Energy as the largest. The overall climate tech market is projected to reach $312.74 billion by 2035, bolstered by commitments like Microsoft's record 10.5 million metric ton carbon dioxide removal credit deal.[Ctvc, Globenewswire]
The climate tech market is maturing with record public exits and concentrated capital in energy-focused deals, while the surprising growth in low-carbon data centers highlights evolving investment priorities and a strong long-term outlook.


