In the case of Paraguay, the head of the water and sanitation division of the public works ministry said that a US$1.2bn project to build wastewater plants will be carried out under a PPP model.
The process was cancelled after authorities were advised to change the proposed location of the facility.
GIC and IFC are expected to increase their shares in the company via a capital increase, according to a report.
To prepare more effectively for climate change, governments should step up information gathering on infrastructure, a panel at the Latin American development bank's infrastructure conference found.
The country's stock exchange launched a "green and social bond" segment which will allow firms to finance projects that have positive impacts on the environment.
With more than 7,000km of continuous coastline, Brazil has strong potential to develop desalination projects.
The program, dubbed COMPASS, will be backed by the IDB and consists of providing technical support and advisory services.