How to pronounce “blue gold” in English

"Nowhere in history does the phrase 'selling ice to Eskimos' apply more aptly than to the bottled water fiasco, and not just because the analog to ice in this case is its meltedcounterpart. We Eskimos have been duped. 'There's gold in them thar hills' came the cry in the 1980s. Blue gold. Wait you're going to put dirtier, less palatable water in a bottleand ship it around the world to sell?' pausing between sips of tap water, 'to people that already get it for free?' 'Well if they're willing to spend billions of dollars each