Climate monitoring
ONACC monitors climate parameters, produces indicators, tracks trends across spatial and temporal scales, and prepares the national climate assessment.
About ONACC
The National Observatory on Climate Change
ONACC is a special administrative public institution with legal personality and financial autonomy. It supports the State of Cameroon in understanding, monitoring and managing the effects of climate change across the national territory.
Our purpose
Putting climate information at the service of action
In response to increasing climate hazards, climate variability, pressure on natural resources and growing impacts on populations, ecosystems and productive sectors, ONACC provides reliable, useful and decision-oriented climate information.
A national reference institution
ONACC acts as a national tool for observation, analysis, warning, decision support and strategic guidance on climate issues.
Monitoring climate evolution
Assessment of socio-economic and environmental impacts
Climate risk prevention
Support for mitigation and adaptation policies
Production and dissemination of climate services
Carbon and greenhouse gas emissions monitoring
Provision of strategic climate data
Our mandate
Monitor, assess, prevent, mitigate and adapt
ONACC’s general mandate is to monitor and assess the socio-economic and environmental impacts of climate change and to propose prevention, mitigation and adaptation measures against its adverse effects.
- Develop relevant climate indicators for monitoring environmental policy.
- Conduct prospective analyses on climate trends in the short, medium and long term.
- Monitor climate evolution and produce Cameroon’s annual climate assessment.
- Provide useful meteorological and climatological data for various sectors.
- Initiate and promote studies on climate impacts, risks and vulnerabilities.
- Collect, analyze and disseminate reference information on climate change in Cameroon.
- Establish climate monitoring and warning mechanisms.
- Recommend prevention, mitigation and adaptation measures.
- Contribute to the reduction of greenhouse gas emissions.
- Produce annual greenhouse gas inventories and carbon assessments.
- Monitor the implementation of national and international climate commitments.
- Support the valuation of climate services provided by forests and ecosystems.
- Strengthen the capacities of institutions involved in climate data management.
- Develop cooperation with national, regional and international climate institutions.
Priority areas
ONACC’s main intervention areas
The Observatory’s action is organized around several operational pillars: climate monitoring, warning, impact assessment, carbon, data, geomatics, studies and cooperation.
Monitoring, forecasting and warning
The Observatory develops climate monitoring mechanisms and contributes to early warning systems for risks linked to extreme events.
Impact and risk assessment
ONACC analyzes climate change impacts on populations, ecosystems and development sectors, while assessing associated socio-economic and environmental costs.
Mitigation and carbon monitoring
The institution monitors greenhouse gas emissions, produces inventories and carbon assessments, and supports national emission reduction efforts.
Climate data, modelling and geomatics
ONACC centralizes climate data, develops databases, produces thematic maps, uses geomatics tools and supports climate modelling.
Studies, projects, cooperation and awareness
The Observatory conducts prospective studies, builds partnerships, contributes to technical cooperation and supports preventive climate awareness.
Climate services and technical products
Decision-support tools for territories and sectors
As part of its mandate, ONACC produces and disseminates climate services, bulletins, maps, analyses, inventories and technical tools designed to improve planning, prevention, resilience and decision-making.
Decadal climate alert bulletins
Seasonal forecast bulletins for climate parameters
Agroclimatic bulletins
Annual climate assessments
Agricultural calendars by agro-ecological zone
Sectoral climate calendars
National climate maps and thematic risk maps
Regional climate profiles
Climate impact and vulnerability analyses
Annual greenhouse gas inventories
Carbon assessments and carbon audits
Technical notes and recommendations for decision-makers
Databases, statistics and geospatial products
Climate awareness and information materials
Our organization
An organization serving expertise and territorial deployment
Leadership, expertise and territorial anchoring
ONACC is structured around a General Directorate supported by internal services and specialized operational units. This organization combines scientific expertise, administrative management, territorial presence and strategic support to public authorities.
Services attached to the General Directorate
Division in charge of climate monitoring and impact assessment
Division dedicated to carbon monitoring
Climate Change Data Center
Studies, Projects and Cooperation Division
Administrative and Financial Affairs Directorate
Regional offices for territorial deployment of activities
Our commitment
Promoting climate governance based on data, anticipation and resilience
Through its work, the Observatory strengthens Cameroon’s capacity to better understand ongoing climate changes, protect its populations and resources, and guide public policies toward sustainable, resilient and low-carbon development.
Scientific rigor
Data reliability
Risk anticipation
Public value of climate information
Institutional cooperation
Public awareness
Territorial resilience
ONACC, a national reference institution on climate
ONACC positions itself as a national reference institution for climate observation, impact analysis, early warning, climate services, carbon monitoring, climate data, geomatics and public decision support. Its ambition is to put climate knowledge at the service of the State, territories, productive sectors and communities.