what are the major factors that undermine food security?
2823
['The increase in human population , as birth rates are increasing and many people have better access to medical care.', 'Changing diets eg people starting to eat more meat in newly developed countries like China. ... ', 'New pests and pathogens that attack crops and farm animals.', 'Environmental changes such as global warming .']
747220
['habitat destruction (degradation, fragmentation)', ' pollution.', 'climate change.', 'invasive species.', 'overharvesting.']
1311839
The WHO states that there are three pillars that determine food security: food availability, food access, and food use and misuse.
744304
On a global level, when the staples of everyday life suddenly become unaffordable, the devastating impact can include widespread civil unrest. Experts predict that climate change will lead to lower yields of maize and wheat, seriously disrupting the food supply of Africa and Central America.
1266557
Sustainable progress and productivity growth in agriculture are needed for at least six good reasons in this context, all of which relate to and reinforce food security: food availability, conservation of natural resources, diversification of the rural economic space and rural non-farm employment, overall economic ...
1159011
['Poor farmers harvest crops too early in response to a lack of food and money. ... ', 'Minimal farming technology such as plows, tractors, and pesticides.', 'Inadequate market systems.']
1148561
['Climate Change. A warmer, changing climate is a threat to the entire world. ... ', 'Overpopulation. As the population of the world grows, resources become scarcer. ... ', 'Immigration Stresses. ... ', 'Civil Rights and Racial Discrimination. ... ', 'Gender Inequality. ... ', 'Health Care Availability. ... ', 'Childhood Obesity. ... ', 'Bullying.']
1417895
A lack of adequate protein in the diet, further depleted by food prejudices that forbid eating what is available, can adversely affect the health status of a population, i.e., cause protein-calorie malnutrition in children, maternal depletion, premature aging, and general malnutrition in women.
136219
Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration.
552957
The scarcity of food is caused by economic, environmental and social factors such as crop failure, overpopulation and poor government policies are the main cause of food scarcity in most countries. ... There is need to collectively address the issue of food insecurity using both emergency and long term measures.
671446
“Food and nutrition security exists when all people at all times have physical, social and economic access to food, which is consumed in sufficient quantity and quality to meet their dietary needs and food preferences, and is supported by an environment of adequate sanitation, health services and care, allowing for a ...
342860
Over 300 million Africans do not have access to safe drinking water and uneven water distribution is a major issue. Major challenges for sustainable development range from poverty, desertification, deforestation and climate change.
1097579
Reducing poverty requires ecological and resource sustainability. Increased food production will exacerbate land degradation, greenhouse gas emissions and biodiversity loss unless production methods and consumption patterns become more sustainable.
439656
['Potential Harms to Health. New Allergens in the Food Supply. Antibiotic Resistance. Production of New Toxins. Concentration of Toxic Metals. ... ', 'Potential Environmental Harms. Cross Contamination. Increased Weediness. Gene Transfer to Wild or Weedy Relatives. ... ', 'Unknown Harms to the Environment.', 'Risk Assessment.']
544263
['Low per capita real income: ... ', 'Low per capita real income: ... ', 'High population growth rate/size: ... ', 'High rates of unemployment: ... ', 'Dependence on primary sector: ... ', 'Dependence on exports of primary commodities: ... ', 'Low incomes per head: ... ', 'Low levels of saving due to low income:']
1219288
Often in developing countries, food decays in fields or farms before harvest or else spoils while it's being transported. In fact, food loss at the production and distribution level accounts for two-thirds of global food waste.
349166
Food security is categorized as either high (no issues) or marginal (typically some shortage of food with associated anxiety about sufficient food supply). Food insecurity, at the lower end of scale, ranges from low to very low food security.