Democrat Chellie Pingree's campaign announced this morning that she's gotten the endorsement of the League of Conservation Voters in Washington, D.C.

Following the announcement, I took a look at how the Maine League of Conservation Voters has rated the four Democratic candidates who've served in the state Legislature.

Here are the past League ratings that I could find (ratings are on a 0-100 percent scale, with a 100 percent rating representing a perfect voting record):