Ecology (2)

An increase in a nations output of goods and services

Currency changes when it is used in another country. The values are different
Ex: US dollars are worth 3x more than Mexican dollars

1) Population in developing countries 
2) Population is much larger in developing 
3) Life expectancy in developed 
4) Wealth greater in developed 
5) Developed resources
6) We pollute/ waste more in developed

Solar energy,fresh air, wind, surface, h20, fertile soil, wild edible plants

Petroleum, iron, underground h20, cultivated crops

It is renewed continuously and is expected to last at least 6 billion years as the sun completes its life cycle

Exceeded renewable resources natural replacement rates, available  supply begins to shrink

Barrett Hardin

When each user of a shared common resource or open access resource reasons if I don't use it someone else will. The little bit I use wont affect the world."

My little bit of trash wont make a difference. Typically when a person does something others follow

Government establishes law and regulations. Nations enter into agreements that regulate access to resources. Convert open access resources to private ownership.