Issues and challenges in defeating world hunger

Significant numbers of people suffering from hunger and food shortage are in a daily struggle to obtain food for survival. This article discusses the issues and challenges on scientific, environmental, technological, socio-economic, and political aspects in facing global food insecurity problems. A multifaceted strategy for the applications of science and technology, as a part of the solution, in defeating world hunger has also been discussed. The wealth of information will hopefully create a platform for discussion and sharing of knowledge on solving the food security problems around the world.