This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: fished and polluted. • Forestry o Gathering v. Lumbering Lumbering- To kill it Gathering- Don’t kill it Many products come from threes other than lumber Deforestation Major causes Formerly, 45% of the earths surface was covered in forest. Today, only 30% is. o Mineral Production Fuel and mineral uses Metallic- i.e. gold, silver and copper mining. Non-metallic- i.e. fuel sources like gas and oil Coal Pros: • Abundant and relatively cheap Cons: • Major pollutant • Transportation difficulties • Non-renewable Natural gas Clean burning and relatively abundant Major reserve areas located in the middle east and Russia Supplies roughly 25% of the global energy Difficult and very expensive to ship Non-renewable ←...
View Full Document
- Spring '08
- Economics, Johann Heinrich von Thünen, Marginal costs activities