President John Dramani Mahama has unveiled an ambitious plan to build a Green Digital City in Ghana, marking a major step toward sustainable urban development and technological innovation. Addressing ...

In a dusty alley in the heart of Kenya's largest open-air market, fashion models strut down a makeshift runway in bold, upcycled outfits made from waste collected at dumpsites and market cast-offs -- ...

Abstract: When disturbed, the interaction between power grid and wind farm may cause serious sub/super-synchronous oscillation (SSO), affecting the security and stability of the system. It is ...