"Climate scientists have identified global warming as the most important environmental issue of our time, but it has taken over 20 years for the problem to penetrate the public discourse in even the most superficial manner. While some nations have done better than others, no nation has...

"A variety of theories of skill formation suggest that investments in schooling and other dimensions of human capital will have lower returns if children do not have adequate levels of cognitive and social skills at an early age. This paper analyzes the impact of a randomized cash transfer...

The report focuses on preschool, as an effective early childhood development (ECD) intervention, especially for improving the status of the poorest groups in Brazil's population. Because of data limitations, the focus is primarily on pre-schooling, with some discussions on day care, and other...

"In the early 2000s, the Government of Sri Lanka considered engaging private sector operators to manage water and sewerage services in two separate service areas: one in the town of Negombo (north of Colombo), and one stretching along the coastal strip (south from Colombo) from the towns of...

Mozambique is poised to meet the MDG goal of 100 percent primary education enrollment. The achievement will have limited impact if the quality of the education that pupil has access to is lacking. Education quality will critically determine whether the promise of the newfound mineral wealth is...

The "Public Service Unit" (PSU), or shiye danwei, is one of the four categories of public sector institutions in China. The country has more than one million public service units (PSUs), or shiye danwei, with a labor force of around 30 million. Most PSUs were created as public service providers....

This report presents detailed findings of a teacher performance study in Lebanon, one of four studies carried out under the Research for Results (R4R) program, a partnership between the Lebanese Ministry of Education and Higher Education and Development Partners. The objective of the research...

This policy brief highlights the key messages for policy makers from the World Bank report "Seeing the Invisible: A Strategic Report on Groundwater Quality" (Ravenscroft and Lytton 2022a). This report and “A Practical Manual on Groundwater Quality Monitoring" (Ravenscroft and Lytton 2022b)...

The certification program aimed to certify all teachers by 2015. The program was rolled out at a rate of approximately 200,000 teachers each year. This report evaluates the certification program as it was implemented, in terms of its impact on student-learning outcomes. Results of the analysis...