The key to preventing malaria deaths often involves small changes made at a community level. This film follows a local health information worker in Tanzania as he teaches local people about mosquito nets and the importance of using a medical clinic rather than traditional healers.

Mobile phone technology is being used by local health workers in developing countries to speed up diagnoses and help combat preventable diseases such as malaria, TB, and polio.

The Tokyo International Conference on African Development is more than just a conference. It has become a major global framework for Asia, Africa, and the UNDP to collaborate in promoting Africa's development. Here are five projects working to improve people's everyday lives throughout the continent. Produced by UNDP.

Across Africa, millions of adults and children die every year from treatable diseases. Sometimes all that is needed is one shot or a single pill. But with the vast majority of Africans living in remote areas, the question is how to get these potentially life-saving treatments to the sick? A bold new endeavour empowering members of local communities to help each other may just be an answer. 

Alleviating poverty is more guesswork than science, and lack of data on aid's impact raises questions about how to provide it. But Clark Medal-winner Esther Duflo says it's possible to know which development efforts help and which hurt—by testing solutions with randomized trials. 

Nathan Myhrvold and team's latest inventions—as brilliant as they are bold—remind us that the world needs wild creativity to tackle big problems like malaria. And just as that idea sinks in, he rolls out a live demo of a new, mosquito-zapping gizmo you have to see to believe.