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ICRAF, Kenya

  • Definition
    Devising project idea, defining the aim and main components
  • Design
    Specifying details such as time-frame, budget, target indicators, project partners and relevant steps to reach the project objectives
  • Financing
    Searching and securing funding and investment, setting up relevant financing partnerships, and discussing payment modalities
  • Implementation
    Execution of feasibility studies, context analysis, plot design, planting and setting up facilities and starting with potential capacity-building
  • Maintenance
    Operational phase (monitoring and evaluation, impact assessments and adjustments, execution of educational programmes and long-term capacity building)
  • Scaling Up
    Scaling up phase is when the project it has already shown success by obtaining impact as well as economic results and it's ready to become replicable.

The Aberdare Catchment is one of Kenya’s main water reservoirs providing drinking water for Nairobi and its fringe towns. Due to global warming, flooding and droughts are becoming more prevalent which increasingly destabilizes the local water situation. Together with World Agroforestry (ICRAF), reNature will implement and promote the use of agroforestry in the area to increase the land’s ability to hold water, regulate water circulation, and ensure water availability. The systems will be implemented on private land mainly held by smallholder farmers increasing the profitability of their farms and supporting their livelihoods.

Assignment & Impact

Development Challenge

Currently, extended drought periods in the area are regularly causing conflicts over water, whilst Nairobi’s boreholes are drying out. At the same time, flooding and landslides occur during the rainy season leading to casualties and property losses. The land is mainly covered by monoculture farms lacking trees and the ability to hold water long enough. Improved, diversified systems are needed to increase water infiltration, prevent erosion while satisfying the farmers’ demands.


This project will consist of various measures providing local farmers with the knowledge, skills, and capacities to transform their farms into productive agroforestry systems. These will include multiple Model Farms including lead farmers, Rural Resource Centers (RRCs) for tree planting materials, as well as, participatory workshops and education services as part of reNature’s Model School program. 


Reducing the impacts of flooding and droughts, while supporting farmer livelihoods.

0.5 ha

land per farmer

10,000 ha

of agroforestry



Inspirational Impact

This project will serve as a major showcase for the impacts of large-scale agroforestry on water regulation. It will make a case for diversified land-use management systems to be effective tools in counteracting the impacts of climate change. Locally, this will be communicated through lead farmers, media, phone apps, billboards, brochures, and manuals.

Environmental Impact

The project will increase soil quality and plant diversity in the area. This will prevent flooding and improve the soil’s ability to hold water in drought situations. Further, the reduced need for agrochemicals and the use of grass strips and fodder hedges will benefit biodiversity. Carbon sequestration levels in the area will also be increased.

Social Impact

Wood will be available on-farm which will save women at least five hours of weekly labor. The local youth will get the opportunity to invest in eco-tourism, horticulture and other income ventures relevant to their context due to an improved environment. The project will engage with off-takers of improved ecosystem services to support other community projects such as schools, road infrastructure, and other benefits. Further advantages include improved diets and nutrition.

Economic Impact

The participants, organized in farmer organizations, will benefit from an improved market performance in tree-based value chains. The project will engage the private sector to improve market access creating ‘win-win’ solutions for producers, buyers and value chain financiers of the project. Necessary partnerships are already in the making. On the farm level, the project will reduce costs for agrochemicals, stabilize yields, and diversify income. Farmers will be able to satisfy the high demands for timber which have increased since the recent ban on logging. Further, they will be supported in setting up processing facilities.


Want to prevent droughts and flooding in Aberdares Ranges?

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