Darrell Walters (1953-1957), Deana Sharp (1955-1959), Hadley Hall (1960-1964), Sydney Tully (1965-1969), Lester Siebert (1958-1962), Gary Howard (1963-1967)
"It's way cleaner than it used to be," says Darrell Walters, a former worker in the oil sands. "For waste, you used to dig a hole. Now you haul it out."Environmentalists also object to more oil production because it means less solar or wind energy, they say, and that means more risk of global warmin