As Henry's opponent, Jeff Yarbro, has pointed out, the senator was one of only two Democrats on the last day of this year's session to oppose bringing the ban on mountaintop removal coal mining to the Senate floor for a vote. And Henry also voted last year for the coal industry's bill to weaken standards for the amount of selenium that mines may release into Tennessee streams.
Why does Henry vote with corporate polluters? Well, maybe it has something to do with his vested interest in the coal industry. According to his financial disclosure form, he owns stock in Massey Energy. Massey's West Virginia mine is the one that blew up and killed 29 miners this year.
The Tennessee Conservation Voters' political action committee has endorsed Henry, largely for his efforts in land conservation. His rankings from the group are mediocre.