It is interesting how far they went.
Founded by John Muir, they advocated for hiking, building trails, shelters, etc.
Something I would tend to support.
But not, they deteriorated into hard core leftist organization.
They seemed to forget environment and just stepped up their anticapitalistic activities.
Their main activity - promoting solar and wind, is destroying the environment!
The Sierra Club is proud of destroying American electric energy .
As the cartoonists observed decades ago: we have met the enemy,and it is us.Stupid,deluded,well meaning but too lazy to think and investigate; these are the people that contribute to non-profits whose goal is destroying our formerly grwat U.S.