In times of crisis, real-time data mapping population displacements are invaluable for targeted humanitarian response. The Russian invasion Ukraine on February 24, 2022, forcibly displaced millions people from their homes including nearly 6 million refugees flowing across the border in just a few weeks, but information was scarce regarding and vulnerable populations who remained inside Ukraine....

Solar photovoltaic appears to be the most interesting renewable energy in developing countries where its deposit is abundant. Unfortunately, lack of precise knowledge solar radiation and limited data hinder optimal exploitation installations. This study presents a performing model for daily global horizontal five regional capitals Togo: Lomé, Atakpamé, Sokodé, Kara Dapaong. The used were obtain...