Cleaning up

摘要

The new millennium brought a return to healthy oil and gas prices,and strong activity levels followed in step.But it also brought a redoubled push by industry regulators to shrink the oil and gas industry's environmental footprint and a multi-billion-dollar environmental services industry began to emerge.The Alberta environment minister at the time,Gary Mar,put it this way,"There's a demand that our air is clean,our water is clean,and the fish in our rivers,streams,and lakes are edible.