NEW YORK (AP) — Former New York Mayor Michael Bloomberg's foundation has announced a $5 million investment in an artsy-looking solar-powered lamp designed for use in off-grid populations in Africa. The announcement was made Tuesday by Bloomberg Philanthropies. It says the lamp, called Little Sun, will provide clear, affordable energy to places dependent on costly and toxic kerosene lighting in Sub-Saharan Africa. The foundation will provide a low-interest rate loan to help the business grow. The portable lamp is created by Danish artist Olafur Eliasson and engineer Frederik Ottesen.Read more on NewsOK.com