Unit 1: Should Brazil build a hydro-electric dam in the amazon region?

A series of BBC articles may help you form an opinion; The first is the oldest and lthe last one listed the most recent

http://news.bbc.co.uk/1/hi/world/americas/8373504.stm
http://news.bbc.co.uk/1/hi/world/americas/8633786.stm
http://www.bbc.co.uk/news/world-latin-america-12295662
http://www.bbc.co.uk/news/world-latin-america-12586170
http://www.bbc.co.uk/news/world-latin-america-12643261

Want to know more about the dam?
http://en.wikipedia.org/wiki/Belo_Monte_Dam
http://amazonwatch.org/work/belo-monte-dam

a) List the private costs and benefits of constructing the dam and
b) the external costs and benefits (ie positive and negative externalities)