Instead of building legal and physical walls blocking people from coming to the US, why not fight the poverty, corruption, and conflicts that send them fleeing here?
In the semi-arid Sahel, Senegalese farmers find ways of coping.
These simple chlorine dispensers helped thousands of people in Senegal improve their water supply.
Here's how a hand-dug well becomes a source of clean water for a community.
Research suggests that to achieve greater accountability for revenue generated through industries like mining in developing countries, we need to get much more political.
A simple structure helps farmers store their harvests, allowing them to get both better prices and better access to loans.