ENV200H1 Lecture Notes - Biodiversity Hotspot, In Situ Conservation In India, Perfect Storm
Document Summary
Food security: guarantee of an adequate, reliable and available food supply to all ppl at all times. Food production advances-fossil fuels: we have been able to create more food b/c of cheap fossil fuels, planting and harvesting more frequently. Increase amount of cultivate lands: develop more productive crops and livestocks, but this cant continue because world"s soil in decline. We have only a number of soils: also b/c nearly all planets arable land has been claimed, and also shortage of cheap energy/oil. Food price roller coaster: perfect storm (world food programme) Extreme weather, especially drought and water shortages: all this is happening even as the world keeps increasing at a huge rate. Nutrition status: undernourishment: receiving less than 90% f daily caloric needs; mostly in developing worlds, overnutrition: receiving too many calories each day; in cnda 48% of adults exceed healthy weight standards and 14% are obese. Subsistence agriculture: traditional agricultural methods, developing countries, food for family.
