I once overheard a conversation between two teenage girls where they talked about how much they hated pennies. One of the girls said she disliked pennies so much that she threw them away. I was aghast, not just at the idea of literally throwing away money, but...

Every day, women and children in developing countries must walk miles just to obtain enough water to live from day to day. These hours-long journeys reduce economic productivity, make it difficult for children to go to school, and since water points are not...