Infrastructure maintenance covers spending on preservation of the existing transport network. It only covers maintenance expenditure financed by public administrations. Efficient transport infrastructure provides economic and social benefits to both advanced and emerging economies by: improving...

Infrastructure investment has been at the forefront of the political debate for more than two decades. Despite decades of theoretical study and experimentation in practice, “how to” actually procure infrastructure still lacks a complete and evidence-based guide, relying heavily on subjective...

This dataset presents baseline and policy scenario projections for plastic leakage to aquatic environments, at the global level for the 2019-2060 period. The dataset provides projections for accumulated stocks both in oceans and in rivers and lakes, as well as leakage to water from mismanaged...