Monthly Archives: October 2009

Water plays a crucial role in agriculture and food security. This episode shows how the water cycle works and examines the question of how changes in the water cycle could impact agricultural outputs and the role of irrigation. This episode … Continue reading →

Sponsored by USAID, the Famine Early Warning System Network (FEWS NET) was designed to help governments and aid agencies assess the need for food aid before a famine develops. This episode describes FEWS NET and looks at how FEWS NET … Continue reading →

NASA remote sensing data is used to measure how much land is used for agriculture and where farms are in relation to population density. This episode explores the transition between native vegetation, farms, and cities. Satellites show where land use … Continue reading →

Satellites can reveal how many fields have been planted and how a crop is growing, providing a way to predict how much of a given commodity will be available at harvest. Governments and aid agencies use this information to help … Continue reading →