The launch of a $150 million climate‑focused fund by Singapore-based venture builder 100X100 marks a significant escalation in capital directed toward India’s decarbonisation agenda. By targeting up to 50 companies across India and Southeast Asia, the initiative seeks to accelerate solutions that align with the country’s urgent need to reduce emissions while sustaining rapid economic growth. The move underscores the growing recognition among international investors that climate risk is material to long‑term value creation and that India’s large founder pool can drive scalable impact. Key facts reveal a structured investment model: first cheques average $800,000, with up to $3 million earmarked for follow‑on rounds; 40 % of the fund is allocated to initial equity, the remaining 60 % reserved for subsequent support. The venture builder’s co‑creation approach—providing capital and operational guidance over a 18‑month period—enables it to take up to a 30 % stake in each company, higher than typical early‑stage investors. Limited partners include the US International Development Finance Corporation, British International Investment, Singapore Economic Development Board, Triple Jump, and Kajima Corporation, reflecting a blend of development finance and sovereign support. The fund’s focus on sectors such as energy, agriculture, mobility, built environment, and manufacturing maps directly onto GRI 302 (energy) and SASB climate‑related categories, while also advancing UN SDG 7 (affordable clean energy), SDG 9 (industry, innovation, infrastructure), and SDG 13 (climate action). India’s recent drop from rank 10 to 23 on the Climate Change Performance Index—highlighted by a lack of a coal phase‑down pathway—provides a compelling backdrop for this capital infusion. Looking ahead, the fund positions investors to capture early‑stage climate opportunities that might otherwise stall due to limited growth capital. For regulators, it signals the need for supportive policy frameworks that facilitate private investment in decarbonisation technologies and encourage public‑private partnerships. Communities stand to benefit from job creation in emerging green sectors and improved food security through innovations like farm‑waste biofuels. Risks include the broader cooling of climate‑focused venture capital and the inherent uncertainty of early‑stage startups, exemplified by the failure of Elevate Foods. Nonetheless, the initiative offers a template for scaling climate solutions in high‑emission economies and demonstrates that venture builders can bridge the gap between ideation and growth funding—an approach likely to attract additional capital and accelerate progress toward global decarbonisation targets.