10 July 2017 International Executive Program in Project Management 2017 (14th Batch) organized jointly by NUS and the University of Moratuwa Recent News Battery-free technology to power devices using ambient radio waves Researchers at CDE develop innovative green energy technology to harness Wi-Fi and Bluetooth signals. Digital technologies leading the way in āConstruction 4.0ā Research by CDE's Prof Florence Y. Y. Ling identifies key tools for boosting quality, productivity and competitiveness in the built environment sector. Q&A: Experts call for urgent action on indoor air quality CDE's Prof Chandra Sekhar and Assoc Prof Tham Kwok Wai discuss critical need for global indoor air quality standards to safeguard public health.