More then 2,000 coal miners toil underground in Colorado's dark mines. And each year they pull nearly 36 million tons of black gold from the earth to power up our iPods, plasma screens, and laptops. In Colorado, three out of every four times you flip a light switch, that glow is powered by coal. But the coal industry is, for the most part, out of sight and out of mind—even here in Colorado where we rank number seven in terms of production. We use energy often without thinking where it comes from. Here, in the following slides from Elk Creek Mine in Somerset, Colorado, you'll see the source. Our energy comes from coal miners.