Levels of three major pollutants in the oilsands region did not increase much in the past 15 years as open pit mining expanded, says a professor in the University of Alberta’s school of public health.
Read more: http://tinyurl.com/p8mpeck
Levels of three major pollutants in the oilsands region did not increase much in the past 15 years as open pit mining expanded, says a professor in the University of Alberta’s school of public health.
Read more: http://tinyurl.com/p8mpeck