Prominent national Democrats who back aggressive climate policies are lining up behind former Rep. Mary Peltola’s (D-AK) Senate bid, handing Republicans an opening to argue her Alaska-focused energy message clashes with the priorities of her most visible supporters.

Peltola, who launched her campaign in January to challenge Republican Sen. Dan Sullivan (R-AK), is running in a state where oil revenue underpins the economy and funds annual dividend checks for residents. GOP strategists say endorsements from leading climate figures expose a tension between her energy message and the national Democratic movement backing her.