That's the argument of Curtis Brainard at the Columbia Journalism Review. As he concludes:

Palin might not have the longest political track record to scrutinize, but the environment is clearly one area in which there is plenty of room to dig. It's time for the national media to take a cue from the Anchorage Daily News and explore the myriad ways in which Palin's environmental record might affect all manner of federal governance, from Bush's midnight regulations to McCain's less conservative, but potentially mutable, positions.