Rainmatter Climate
Rainmatter Climate is the climate-focused thematic sub-vertical within the Rainmatter ecosystem affiliated with Zerodha. It encompasses both commercial equity investments in climate technology companies (through Rainmatter Capital) and non-returnable grants to climate-focused organisations (through Rainmatter Foundation). The sub-vertical reflects the Zerodha founders’ publicly stated commitment to deploying a portion of the group’s financial resources toward addressing climate change in the Indian context.
Rainmatter Climate is a thematic label rather than a separately incorporated entity. Its activities are conducted through the existing structures of Rainmatter Capital and Rainmatter Foundation.
Investment mandate within Rainmatter Capital
Within Rainmatter Capital’s commercial portfolio, the climate sub-vertical targets early-stage companies in the following domains:
Clean energy: Companies working on solar energy access, distributed energy systems, energy storage, and grid optimisation for Indian residential and commercial applications. India’s energy transition represents a large and growing market for early-stage climate technology.
Sustainable agriculture: Startups enabling farmers to adopt practices that reduce greenhouse gas emissions, improve soil health, and increase climate resilience. This includes natural farming input suppliers, precision agriculture tools, and carbon credit aggregators that monetise soil sequestration from smallholder farmers.
Circular economy and waste management: Companies addressing municipal solid waste, plastic waste, electronic waste, and industrial waste streams through technology-enabled collection, sorting, and upcycling.
Carbon markets: Rainmatter has expressed interest in the voluntary carbon credit market as a mechanism for channelling capital toward forest conservation, sustainable agriculture, and clean energy deployment. Investments in carbon credit registry technology, project development, and trading infrastructure fall within this mandate.
Climate finance: Companies developing financial products that help farmers, small businesses, and households manage climate risk, including parametric crop insurance, climate-indexed lending, and green financial instruments.
Grant-making through Rainmatter Foundation
The Rainmatter Foundation’s climate programme provides grants to organisations that may not be commercially investable at early stages but are delivering significant environmental impact. Priority grant areas include:
- Watershed restoration and water conservation projects in rainfall-stressed geographies.
- Biodiversity protection and forest conservation, including support for community forest rights initiatives.
- Sustainable livelihoods for communities dependent on natural resources, particularly tribal and coastal communities.
- Agroforestry and natural farming adoption support for smallholder farmers.
- Climate education and local-level climate adaptation planning.
The Foundation’s climate grants are informed by a recognition that much of India’s climate vulnerability is concentrated in rural and agrarian communities that have limited access to commercial climate finance. Grant capital is therefore directed at organisations and models that serve these populations without a commercial return imperative.
Context within the Indian climate investment landscape
The Indian climate technology investment market has grown substantially since 2020, driven by global capital flows into ESG-linked funds, Indian government policy commitments on renewable energy (targeting 500 GW of non-fossil energy capacity by 2030), and growing investor awareness of climate risk. Rainmatter Climate operates alongside a growing number of Indian climate-focused VCs and impact funds, including Omnivore Partners (agri and rural tech), Caspian Debt (climate finance), and international funds deploying capital in India.
Rainmatter’s differentiation lies in its patient capital approach (no LP-driven exit pressure), its established network within the Indian fintech and startup ecosystem, and the credibility the Zerodha brand confers in domestic fundraising contexts.
Nithin Kamath and climate advocacy
Nithin Kamath, co-founder of Zerodha, has been increasingly active as a public advocate for climate action in India. He suffered a health event in early 2024 (a stroke, disclosed publicly) that he has connected in his public writing to concerns about air quality and broader environmental health. He has since written more extensively about the relationship between environmental degradation and human health and the responsibility of profitable Indian businesses to contribute to climate solutions.
This personal advocacy is reflected in the Zerodha group’s increased emphasis on the Rainmatter Climate sub-vertical from 2023 onward.
See also
References
- Rainmatter Foundation. “Annual Impact Report, Climate Programme.” Rainmatter Foundation website, 2023-2026.
- Kamath, Nithin. “Climate and Zerodha.” Zerodha Blog and personal posts, 2023-2024.
- Rainmatter. “Portfolio, Climate.” Rainmatter.com. Accessed May 2026.
- Economic Times. “Rainmatter’s climate investments.” Economic Times, 2023-2024.
- Ministry of New and Renewable Energy. “India’s renewable energy targets.” MNRE press releases, 2023.