News news - 27 June 2025 CoST Board Member Eyasu Yimer highlights CoST’s vital impact at East Africa infrastructure summit news - 25 June 2025 Zambia rejoins CoST with strong government commitment for reform news - 9 June 2025 CoST Sekondi-Takoradi’s social audit results in 20% more children attending school news - 27 May 2025 World Environment Day 2025: Our work in tackling climate change and strengthening sustainability View all news Resources Updated Infrastructure Transparency Index Manual Spanish Read More Updated Infrastructure Transparency Index Manual English Read More CoST Costa Rica Infrastructure Transparency Index infographics 2025 Read More CoST Costa Rica Infrastructure Transparency Index report 2025 Read More View all resources We work globally, disclosing, validating and interpreting data on infrastructure projects so that decision makers are held to account. Since 2015 our achievements include 76,767 projects disclosed in line with the CoST Infrastructure Data Standard 625 projects reviewed by CoST members 8177 government representatives trained
news - 27 June 2025 CoST Board Member Eyasu Yimer highlights CoST’s vital impact at East Africa infrastructure summit
news - 9 June 2025 CoST Sekondi-Takoradi’s social audit results in 20% more children attending school
news - 27 May 2025 World Environment Day 2025: Our work in tackling climate change and strengthening sustainability
