what are your thoughts about the coal mining industry in this part of the world? >> as far as i'm concerned, coal is on its way out. i mean, i don't believe coal's coming back. >> why do you think that is? >> because it's time for a change. sustainable energy, renewable energy. it's coming. i've seen my fathers literally smother to death. all these guys have given their lives for the coal industry. >> so you think coal mining is hard on the community? >> yeah, with the mountain top removal and all this stuff. >> what carl is talking about is surface mining where you literally blow off the top of a mountain so you can drill into it for coal. in addition to the pollution in the air from, i don't know, blowing off the top of a mountain, the rubble is usually dumped into rivers and streams which sucks because rivers and streams are made of water, which we need to survive. the epa estimates mountain top removal valley fills are responsible for burying more