1. Human-Environment Interaction Terraced farming in Peru for over 800 years and was practiced by the Aztecs in Mexico. Slash and burn technique- cut trees and brush, burn it, uses ashes to fertilize the earth. Last around 2 years. http://video.answers.com/slash-and-burn- agriculture-in-peru-477575508 http://video.answers.com/slash-and-burn- agriculture-in-peru-477575508 Urbanization is taking place in South America, in Argentina, Uruguay and Venezuela 90% live in cities.

2. Push factors- poor medical care, poor education, low-paying jobs and the land being owned by a few rich people. Pull factors-higher paying jobs, better schools and medical care. San Paulo and Rio de Janeiro in Brazil, Buenos Aires in Argentina, Lima in Peru, Bogota in Colombia and Santiago in Chile. Mexico City in Mexico 9 million in city and over 21 million in metropolitan area. Problems of slums spreading over larger and larger areas, unemployment and crime.

3. Pollution from cars and factories and the cities not having the infrastructure to handle the higher population. Tourism-Millions visit the resort of latin America every year. New hotels, boutiques, restaurants and other businesses have sprung up. Staffing these are locals who profit from the tourists. Resorts also offer jobs to locals. Guided river trips, sailing, snorkeling all bring in money. This influx of money helps reduce the gap between rich and poor.

4. Resorts are built in unspoiled settings bringing congestion and pollution. Strains the local communities and shows the gap between rich tourists and poor locals. Local government run up large debt to build airports and harbors, the sewage system and shopping must be expanded. Ownership of resorts often live in other counties and send profits back home. Often acting in ways not best for the tourist country and sometimes affecting elections.