EVS 1101 Lecture 2: Chapter02_2016

• School: University of Ottawa
• Department: Environmental Science
• Course: EVS 1101
• Professor: Danielle Fortin

Document Summary

Some figures and tables in this chapter are taken from the personalized textbook environment (pearson) Easter island (rapa nui: remote island in s. pacific. 1772, european explorers reached island, finding barren landscape, <2000 people. But evidence of sophisticated earlier civilization of ~30,000. Resource over-exploitation: trees felled (statues, canoes) freshwater (enhanced run-off), poorer crop yields. Metals, salts, rocks (granite, marble, etc. : ore extraction technique can improve our recovery and extend the resources, essential for the economy of canada and the world. billion to the canadian economy (2009: the mining industry creates6jobs and infrastructure (roads, power lines, etc. ) (58 000 direct jobs (2011), often associated with major environmental problems. Canada: concentrated in northern ontario, quebec, southern. 2. 1 mining activities: canada is one of the world"s largest mineral exporters, large producer of: Pb, zn, ni, cu, au (occur as sulfides) Sudbury, timmins (on); flin flon (mb), noranda (qc) Northern sk (former mines in nwt & on)