It also called for serious plans for renewable energy, cost-cutting and management compensation reforms. The goal, said Aeisha Mastagni, portfolio manager for CalSTRS' sustainable investment and stewardship strategies, "is to get new voices inside the boardroom. We are making sure we have the right alignment of interests in terms of the executive team," as opposed to the current board, which doesn't have experience in the energy industry or with energy companies in transition, she said. "This is providing a solution that we hope will drive performance." "We've tried other tactics," including shareholder proposals with majority support "that the company has basically ignored," Ms. Mastagni said. "These other traditional engagement tactics have failed." Investors will get critical backup from BlackRock Inc., which in 2021 plans to turn up the pressure on carbon-intensive companies to transition to a low-carbon economy and push for board directors capable of helping to achieve that.