How to pick a candidate to vote out

I came across this article in the New York Times:

and

We’re under an awful lot of stress right now, and frankly Obama could use a hand. If voting out ‘lawmakers who represent [oil and offshore drilling interests]’ is what it takes, well by golly, us Americans ought to pitch in at least that much.

Vote out the reps of the oil and offshore drilling interests. Vote in green energy candidates.