Sierra Club has a new boss. Can she end the drama? 

By Robin Bravender | 10/06/2025 01:32 PM EDT

Longtime Sierra Club leader Loren Blackford wants a “rejuvenation” at the green group that’s struggled with years of infighting. 

Loren Blackford

Loren Blackford is the news leader at Sierra Club, an environmental organization founded in 1892. Robin Bravender/POLITICO's E&E News

NEW YORK — The Sierra Club has had a rough slog.

Over the summer, the environmental group ousted its executive director after years of staff infighting and several rounds of layoffs. That followed the resignation of the organization’s last boss a few years earlier as the nonprofit grappled with workplace problems.

Enter Loren Blackford, who wants to repair the damage.

Advertisement

She’s Sierra Club’s pick to calm the waters internally as the green group — and the environmental movement more broadly — brace for several more years of external battles against the Trump administration.

GET FULL ACCESS