Submitted
2025 Global Climate Challenge

Chameleon Tools

Team Leader
Alinafe Kaliwo
Chameleon Tools is a set of affordable, easy-to-use soil moisture monitoring tools that help smallholder farmers optimize irrigation, reduce water waste, and increase crop yields. The system consists of colour-coded sensors that provide real-time soil moisture data, allowing farmers to irrigate efficiently based on their crop’s actual water needs. How It Works: 1. Soil Moisture Sensors – Installed in the...
What is the name of your organization?
Mechro Limited
What is the name of your solution?
Chameleon Tools
Provide a one-line summary or tagline for your solution.
Chameleon Tools optimize irrigation with real-time soil moisture monitoring, reducing water waste and boosting yields.
In what city, town, or region is your solution team headquartered?
Blantyre, Malawi
In what country is your solution team headquartered?
MWI
What type of organization is your solution team?
For-profit, including B-Corp or similar models
Film your elevator pitch.
What specific problem are you solving?
Smallholder farmers, who produce 80% of Africa’s food, struggle with water scarcity, erratic rainfall, and inefficient irrigation practices, leading to 72% water waste and low crop yields. Malawi alone has over 2 million farmers reliant on rain-fed agriculture, making them highly vulnerable to climate change-driven droughts and extreme weather. Without real-time soil moisture data, farmers over-irrigate or under-irrigate, wasting water and reducing productivity. Existing precision farming tools are expensive and complex, making them inaccessible to smallholder farmers. Traditional irrigation methods consume excessive water, accelerating groundwater depletion and increasing carbon emissions from inefficient water pumping. Globally, 70% of freshwater is used for agriculture, yet 60% of this water is wasted, exacerbating the climate crisis and food insecurity. Without intervention, crop losses will intensify, threatening livelihoods and food security for millions. Chameleon Tools provide a low-cost, easy-to-use irrigation monitoring solution that helps farmers optimize water use, increase yields, and enhance climate resilience, ensuring sustainable agriculture in both Malawi and other drought-prone regions.
What is your solution?
Chameleon Tools is a set of affordable, easy-to-use soil moisture monitoring tools that help smallholder farmers optimize irrigation, reduce water waste, and increase crop yields. The system consists of colour-coded sensors that provide real-time soil moisture data, allowing farmers to irrigate efficiently based on their crop’s actual water needs. How It Works: 1. Soil Moisture Sensors – Installed in the soil at different depths, these sensors detect moisture levels. 2. Colour-Coded Readings – Farmers interpret the colour signals (blue = too wet, green = optimal, red = too dry) to decide when and how much to irrigate. 3. Data-Driven Insights – Advanced versions integrate Wi-Fi connectivity for remote monitoring and AI-powered analytics. Technology Used: - Low-cost soil moisture sensors - User-friendly visual indicators - Cloud-based data analytics (for Wi-Fi models) By providing simple, effective, and scalable irrigation management, Chameleon Tools empower farmers to save up to 72% of water, ensuring sustainable agriculture and climate resilience.
Who does your solution serve, and in what ways will the solution impact their lives?
Smallholder farmers in Malawi and other drought-prone regions rely on rain-fed agriculture and inefficient irrigation methods. These farmers lack access to real-time soil moisture data, leading to water wastage, poor yields, and vulnerability to climate change. Women farmers comprise 50% of the agricultural workforce and are disproportionately affected by water scarcity and low productivity. Current Challenges: - Limited access to irrigation technology – Precision farming tools are expensive and complex. - Water scarcity & inefficient irrigation – 72% of water used in agriculture is wasted. - Climate change threats – Erratic rainfall, droughts, and crop failures are increasing. Impact of Chameleon Tools: - Water savings of up to 72%, ensuring sustainable irrigation. - Increased crop yields, boosting food security and household income. - Affordable & easy-to-use sensors, making smart farming accessible. - Empowering women farmers, providing them with data-driven decision-making tools. By helping farmers irrigate efficiently, Chameleon Tools improves livelihoods, enhances food security, and strengthens climate resilience for thousands of underserved farming communities.
Solution Team:
Alinafe Kaliwo
Alinafe Kaliwo
Managing Director