CompetitionsContestD-Prize Solar Lamp Energy Challenge 2020/2021Opportunities D-Prize Solar Lamp Energy Challenge 2020/2021 In Sub Saharan Africa by College Reporters Staff September 14, 2020 by College Reporters Staff September 14, 2020 Over 600 million people in sub-Saharan Africa use kerosene lanterns to light their homes. … 0 FacebookTwitterPinterestEmail
