Hiking equipment
According to Tom Brown, the basic plan for survival is in the order of shelter (including clothing), water, fire, and food. Cody Lundin writes about the "Rule of 3s"; this relates to human survival without basics: three minutes without air, three hours without shelter, three days without water, or three weeks without food.
Food security in Madagascar
According to the 2009 Human Development Report of the United Nations Development Programme, about two thirds of the population live below the poverty threshold, 30 percent are illiterate, only 47 percent have access to safe water, with a life expectancy at birth of 61 years. Madagascar ranked 135th out of 169 countries in the human development index.