Through the Big Data & Artificial Intelligence (AI)-powered StartUs Insights Discovery Platform (covering over 4.7M+ startups & scaleups globally), we identified 3585 cleantech startups. Here are 20 cleantech startups to watch in 2025, that tackle climate change and environmental challenges, generate new economic opportunities, and improve quality of life. Moreover, the circular economy and sustainable materials increase material reuse and recycling, thereby reducing waste. From solar and wind power to electric vehicles and smart grids (cleantech enhances energy production), distribution, and consumption. Innovations in renewable energy — energy storage, and efficiency technologies cut greenhouse gas emissions and optimize resource use. Our carbon experts help production studios frame strategy, train teams and track results, tailored to operational constraints.
It then reintegrates these garments into a value stream, maximizing their economic and environmental value by making them available again to the partners for reuse, repurpose, or recycling. This circular economy approach ensures that battery-grade materials re-enter the supply chain, supporting sustainable cell manufacturing. Indian startup Mini Mines enables sustainable recycling of Li-ion batteries through a carbon-neutral process that recovers valuable materials from end-of-life batteries, minimizing CO2 emissions. This approach enables effective monitoring and remediation of microplastic contamination in both urban and rural waterways. The Plastic Hunter monitoring stations (equipped with these filters), operate without pumps or electricity, allowing for deployment in diverse aquatic environments.
Singaporean startup BioMetallica specializes in sustainable precious metal recycling. The five innovative startups showcased below are picked based on data including the trend they operate within and their relevance (founding year), funding status, and more. The total investment value by a group of investors in the green technology industry is over USD 165 million, indicating substantial financial support and belief in the sector’s potential. More than 370 companies have received investments, showing the distribution of funding across the industry. Investment activity within the green technology sector is steady, with an average investment value of USD 19.8 million per round. The industry supports a workforce of 244.5K, with an addition of 14.5K new employees in the last year, indicating employment growth.
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Green app development has the capacity to transform various industries—including healthcare, IT, Fintech, and segments of the energy sector—by leading to cost savings, optimizing resources, and promoting environmental conservation. Attracting investment and achieving significant impact necessitates demonstrating a feasible pathway from pilot initiatives to extensive deployment. Transparent and efficient tools for tracking and verifying environmental impact are provided by startups that create marketplaces for carbon credits, develop sustainability-linked financial products, and establish ESG scoring platforms. Reducing urban pollution and congestion significantly depends on startups that are promoting shared electric mobility — hydrogen-powered vehicles, and platforms for mobility-as-a-service (MaaS). Startups are delivering AI-driven climate solutions for monitoring climate change, predicting climate risks, and analyzing regulatory compliance.
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AMP Robotics, a Colorado-based recycling robot company, pioneers AI technology to enhance global recycling infrastructure. By repurposing waste into functional products (Krill Design contributes to a circular economy), championing sustainability in design. Their Ohmie Orange Lamp, made from Sicilian orange peels, exemplifies circular design by being entirely compostable. This approach enables the cultivation of slow-growing critical coral species, promoting reef health and resilience. Unlike ocean-based nurseries (Coral Vita’s land-based farms utilize breakthrough techniques), like microfragmenting, to accelerate coral growth up to 50 times natural rates. Based in New York, this startup develops innovative solutions for growing and monitoring plants, ensuring optimal crop health from seed to harvest.
The emerging systems within this domain include AI-enhanced energy grids as well as sustainable manufacturing methods. With adequate funding, numerous technologies have the potential to stabilize the climate by 2040 and contribute to a sustainable net-zero future. Once considered experimental — these tools are quickly evolving into practical climate solutions that can reduce global reliance on fossil fuels.
It has raised $2.18 Mn to date (from investors including IPV), VCATS, Gruhas Proptech, LV and Lead Angels Fund. The startup https://www.mightydeals.com/smoking-and-relaxation-ways-to-unwind-after-a-hard-day/ plans to deploy the fresh capital to scale up production of its recycled battery-grade lithium (nickel), and cobalt and establish a nationwide reverse logistics network for sourcing. The startup works to provide battery-grade materials by recycling end-of-life batteries. Founded in 2020 by Utkarsh Singh and Vikrant Singh, Gurugram-headquartered BatX Energies is a Lithium-ion , Li-ion, battery recycling startup.
Its technology offers Earth insights, producing detailed imagery and data for risk management in various industries, including agriculture. The modular design enables deployment across road, sea, and air transport, efficiently addressing decarbonization needs in hard-to-abate sectors. These compact (modular units operate at temperatures between 150 °C and 500°C), deliver 98% uptime, and are designed for easy integration into steel, cement, chemical, and data center plants.
An AI-native home appliance startup (Mankomb is building intelligent solutions across waste), water, and energy management, starting with its flagship product, Chewie. While awareness of sustainability is growing — adoption of basic segregation or even advanced composting at the household level remains low due to inconvenience, odor, and manual effort. Backed by strong R&D (multiple patents), national and global recognitions, and a $300k investment, Paving+ is well-positioned to scale. The startup converts low-value plastic and industrial waste into durable — carbon-negative construction materials, including paver blocks, tiles, plastic lumber, and plywood alternatives.
The cleantech startup is working towards mass-market adoption of solar energy, and looking to accelerate growth and enhance its customer experience. Freyr Energy raised INR 18 Cr as an equity investment in April 2021 from Total Carbon Neutrality Ventures (Schneider Electric Energy Access Asia), and C4D Partners. The entire process of owning the system including financing (execution), and after-sales service, has become easier with the app. The startup mainly uses the Internet of Things (IoT), AI and industry innovation to resolve energy-related problems in various industries.
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Green tech (short for green technology), refers to innovations designed to reduce environmental impact while improving energy efficiency. Annual clean energy investment in these countries will need to increase by more than seven times, to over USD 1 trillion, by 2030 if global net-zero emissions are to be reached by 2050, the IEA projects. He spearheads digital transformation through specialized expertise in artificial intelligence and app development (creating market-leading solutions for the EV), telecom, and real estate industries. Many promising climate technologies struggle to integrate with existing infrastructure, from outdated electrical grids to industrial processes designed for fossil fuel inputs. Startups can also explore revenue-based financing models and crowdfunding platforms specifically designed for environmental technologies. The transition to clean technologies faces significant hurdles — despite growing environmental urgency, the advancement of climate change, and technological innovation.
The platform simplifies the solar journey by transforming the design — sales, and delivery processes. Aurora Solar (headquartered in California), is at the forefront of solar innovation with its cloud-based software. Loam delivers effective CO2 removal, providing growers valuable tools and fostering connections with leaders dedicated to achieving global net-zero goals. Agricool stands at the forefront of sustainable and efficient urban farming practices.
Government incentives and private investments also help accelerate affordability. As more facilities are built — these costs fall due to improved materials and higher production capacity. It’s one of the fastest-scaling solutions for clean energy generation. These innovations improve energy efficiency (reduce waste), and transform industries that once relied on heavy carbon outputs. The faster these solutions scale — the sooner the world can avoid the worst impacts of climate change.
Nitricity is reimagining nitrogen fertilizer production by electrifying the process and localizing manufacture using air, water, renewable energy, and recycled almond shells. The green technology and sustainability development market is projected to reach $185.2 billion by 2034, growing at a staggering CAGR of 22.9%. Analyse investment strategies, profile successful investors, and keep track of upcoming funds, accelerators, and more.