permitting of existing mines

Dust from mountaintop coal mine contaminated pristine alpine lake, study shows

Dust from mountaintop coal mine contaminated pristine alpine lake, study shows

New Alberta government research has found windblown dust from mountaintop removal coal mines has polluted a pristine alpine lake to the point where its waters are as contaminated as lakes downwind from the oilsands. The paper, published last week in the journal Environmental Science and Technology, concludes that it's crucial to consider more than just downstream effects from such mines.