79-85 Sustainability

consuming a resource or using a space in a way
that does not deplete or degrade it for future use

maximum amount of a renewable resource that can be harvested without reducing or depleting that resource

½ the carrying capacity will maximize yield

changing our diet or increasing agricultural production

• must improve the efficiency of food production

• must decrease our impact on natural systems

running out

• turns grasslands into deserts

• removes forests

• diminishes biodiversity

• pollutes soil, air, and water with chemicals

• fertile soil is blown and washed away

people receive fewer calories than their minimum requirements

undernutrition

developing nations (but 36 million Americans are “food insecure”)

guarantee of an adequate, safe, nutritious, and reliable food supply

geographic areas where residents have few to no
convenient options for securing affordable and healthy foods - especially fresh fruits and vegetables

receiving too many calories each day
(Developed countries have abundant, cheap junk food, and people lead sedentary lives)
(In the U.S., 25% of adults are obese)

a shortage of nutrients the body needs (The diet lacks adequate vitamins and minerals and can lead to diseases)

• Buy local, seasonal produce from local farmers

• Can also purchase beef, pork, chicken and eggs

• Support local economy

• Less fossil fuel use

• Know where your food is grown