Bill and Melinda Reinvent the Toilet, Solar Power Wins
August 20th, 2012 | by Tina Casey
How’d this one slip past us? Last week, the Bill and Melinda Gates Foundation announced the winners of its Reinvent [&hellip
August 20th, 2012 | by Tina Casey
How’d this one slip past us? Last week, the Bill and Melinda Gates Foundation announced the winners of its Reinvent [&hellip