Government–World Bank Synergy Bolsters Local Development
On 8 August 2025 in the district town of Odziba, the prefect of Djoué-Léfini, Léonidas Carel Mottom Mamoni, cut the ribbon on a project that condenses several strands of Brazzaville’s development doctrine into a single field operation. Known by its French acronym HIMO—Travaux d’assainissement à haute intensité de main-d’œuvre—the programme sits within sub-component 6 of the broader Pro-Climat portfolio financed by the World Bank, with operational support from the World Food Programme and execution by the Congolese NGO Niosi. Officials insist that the scheme reflects President Denis Sassou Nguesso’s emphasis on “développement de proximité,” a concept that privileges grassroots ownership as the surest path to stability and growth.
High-Intensity Labour: From Emergency Tool to Structural Asset
Originally devised in the 1980s as a counter-cyclical instrument across francophone Africa, the high-intensity labour approach has matured into a structural component of Congo-Brazzaville’s climate and employment policies. By favouring shovels over heavy machinery, HIMO redirects a large share of project budgets toward wages, thereby injecting liquidity into rural economies often bypassed by formal investment. Development economists at the University of Kinshasa underline that each US dollar spent on HIMO-type works produces up to USD 0.60 in local income multipliers (UNIKIN Policy Brief 2024). The Odziba and Ngabé worksites are expected to generate roughly 2 400 temporary contracts during the first implementation cycle, according to provisional data shared by the Ministry of Territorial Administration.
Youth and Women at the Heart of Inclusive Growth
Demographic data from Congo’s National Institute of Statistics show that two out of every three inhabitants in the Pool and Plateaux regions are younger than thirty-five. Under HIMO’s social safeguard clause, at least 55 percent of the workforce must be recruited among unemployed youth and 40 percent among women—a benchmark aligned with World Bank Environmental and Social Standard 2 on labour inclusion. “The pay is modest yet regular, and the training modules in site safety and waste management give us skills we can monetise after the project,” explains Mireille Mouamba, a 27-year-old participant from Inoni Plateau. Her testimony resonates with survey findings released by UNDP Congo indicating that short-term employment can reduce outward rural migration by up to 18 percent when accompanied by capacity-building.
Public Health and Climate Co-Benefits Reinforce State Legitimacy
The sanitation component tackles two converging vulnerabilities: recurrent cholera alerts during the rainy season and the erosion of riverbanks feeding into the Congo Basin. By clearing drainage channels, planting vetiver-based bio-engineering strips and organising weekly sensitisation sessions on household waste sorting, HIMO contributes both to disease prevention and to climate-adaptation targets inscribed in Congo-Brazzaville’s Nationally Determined Contribution. “Development durable is no longer an abstraction; it materialises in every gutter we unblock,” Prefect Mottom Mamoni told reporters, echoing the administration’s belief that tangible improvements in public health can translate into higher trust in state institutions. Independent epidemiological modelling by the African Centre for Sanitary Research projects a 22 percent decline in water-borne morbidity across the project’s footprint over three years, provided maintenance protocols are respected.
Diplomatic Implications and Prospects for Scaling Up
The diplomatic community in Brazzaville views HIMO as a tangible demonstration of the government’s ability to harness multilateral financing while preserving national ownership. A senior European Union delegate, speaking under the Chatham House rule, described the initiative as “a textbook illustration of localisation, something Brussels encourages across the Sahel and now sees emerging further south.” Beijing, which has invested heavily in large-scale infrastructure along the Route Nationale 2, shows interest in hybridising its capital-intensive projects with labour-intensive modules to maximise employment spill-overs. The Ministry of Planning is already drafting a replication package for the Pool department, with feasibility studies financed by the Green Climate Fund (GCF Pipeline Note 2025).
Challenges remain, notably the sustainability of wage-funded maintenance once donor tranches are exhausted. The government is exploring a municipal sanitation levy earmarked for post-project upkeep. Yet the early results in Odziba suggest that, when aligned with local governance structures and international climate priorities, high-intensity labour programmes can serve as both diplomatic calling cards and engines of resilient development.

