Tennessean: Its hard to take the mile-high view on climate change when youre toiling away underground to put food on the table and a roof over your familys head. Thats certainly the case for coal miners, whose concerns about meeting the needs of their kids here and now trump whatever concerns exist about the world those kids will inherit 30 years later. When you spend your days 600 feet below the surface, where temperatures range between 55 and 60 degrees year-round, you might not notice that the biosphere...