A 23-year-old Kenyan 's solar-powered LED lantern helps light rural homes . With help of nonprofit , he estimates he 's distributed 10,000 lanterns -- for free . Villagers can buy food with money saved on kerosene , firewood , he says . Do you know a hero ? Comment:
A 23-year-old Kenyan 's solar-powered LED lantern helps light rural homes . With help of nonprofit , he estimates he 's distributed 10,000 lanterns -- for free . Villagers can buy food with money saved on kerosene , firewood , he says . Do you know a hero ? Nominations are open for 2010 CNN Heroes .