Source: POLITICO - Link
“One of the most prevalent themes we heard was that there was generally a culture at the Sierra Club that tolerated, excused, or failed to correct those managers and leaders who regularly displayed anger and aggression — yelling, berating, shaming, and otherwise demonstrating unprofessional and abusive behavior in the workplace,” the executive summary said. “It became clear that many of these individuals were well-known for engaging in this behavior and that nothing was done to meaningfully curb the behavior.”
Even liberal organizations can be toxic. I would lay odds, however, that the ratio of toxic/non-toxic is higher in conservative orgs.