Judges selected 31 projects built in 23 countries from more than 100 entries to the annual contest. 

In 2019, electricity was costing SA Water $83 million per year, its single-largest operational expense. The agency sought a sustainable and renewable solution to cut costs.

Complaints of a fuel-like smell coming from the water in this far-north Canadian city prompted do-not-consume orders in October 2021 and January 2022, limiting residents’ access to potable water and its hospital’s ability to sterilize equipment.

To overcome the lack of arable land and food insecurity, Egypt set out to convert vast stretches of desert to farmland.

Encircled by a water-filled moat, the 60,000-seat stadium resembles a dragon boat on which Chinese people voyaged when they first traveled to Cambodia in the 13th century. 

To build a 10.6-km section of the toll road from the city of Bandung, Indonesia, to Kertajati International Airport, the project team had to overcome logistical challenges, COVID-19 and weather, but it delivered ahead of schedule.

At a length of about 60 km, the first phase of this highway project to connect Cameroon’s two largest cities, Yaoundé and Douala, has taken just over seven years to reach completion.

Located in the political heart of Cameroon’s capital of Yaoundé, this expansive effort aims to redevelop the city’s commercial and business spaces.

Updating the building’s security system was a key focus of a major renovation, with the Cairo museum’s rare collection also including works by Paul Gaugin, Pierre-Auguste Renoir, Claude Monet and more than 100 other artists.