High pollution levels have sparked widespread public anger and officials concerned about social unrest have responded by implementing tougher policies. (scientificamerican.com)
Developing tar sands means increasing the already high pollution burden associated with oil production. (priceofoil.org)
Combined with high pollution levels and a history of heedless and haphazard policies, the country is witnessing a precipitous drop in this most essential supply. (news.mongabay.com)