An important (in terms of how modern neo-paganism turned out) Californian, eco-feminist, often separatist, Wicca variant.
Dianic Tradition
Arguably also a distinct but closely related and even more influential strand of eco-feminist neo-paganism due to
Starhawk - Wikipedia, the free encyclopedia
Nowadays there's a tendency to assume that all Wiccans are leftish eco-feminists, but that wasn't at all the case IMO with the initial British version ...
Gerald Gardner, the guy who came up with the Wiccan origin myth (although he nicked most of it from Jane Harrison, Margaret Murray and Robert Graves) was a Telegraph-reading member of his local conservative association -
Gerald Gardner (Wiccan) - Wikipedia, the free encyclopedia