Sentences with phrase «sands tailings pond»

Not exact matches

A Pembina Institute study from 2009 estimated the costs to reclaim what was then 686 square miles of oil sands developments and 170 square miles of tailings ponds would run as high as $ 15 billion.

The cost of reclaiming over 300,000 oil and gas wells in Alberta likely exceeds $ 70 billion, and the cost of cleaning up the toxic tailings ponds and other damage at the oil sands could reach similar levels.

Plus the tar sands operations have gigantic tailings and wastewater ponds which are loaded with various types of petrochemicals.

It must heat several barrels of water to strip the bitumen from the sand and upgrade it, and afterward it discharges contaminated water into tailings ponds like the one near Mildred Lake.

A tailings pond near Fort McMurray, Alberta, where the oil sands boom has faded because of low oil prices.

Consequently, oil sands mines are surrounded by vast tailings ponds....

Sources of air contaminant emissions from oil sands developments include industrial smokestacks, tailings ponds, transportation, and dust from mining operations.

The tailings ponds where the cleaned sand is returned look ugly for a few years but are eventually reclaimed into grasslands.

Their migration route intersects with areas leased to and developed by oil sands companies, including the surface mineable area and its associated facilities, mine pits and tailings ponds.

From toxic tailings ponds that already cover 130 square kilometres, to fresh water use and the direct impacts of digging 100 metre open pit mines over thousands of square kilometres of boreal forest, the report details the environmental problems and other challenges that oil sands mining poses to northern Alberta.

Oil - sands production emits roughly three times the carbon dioxide of conventional light - oil production and the strip - mining operations involved destroy the landscape in northern Alberta, creating large tailings ponds filled with toxic wastewater.