No plan that gets us to net zero in a reasonable time frame includes new nuclear reactors. Nuclear is far too slow and expensive to deal with the climate emergency.
Human health is intimately connected to the health of the planet. We need fresh water, clean oceans, and natural spaces that contain a rich array of animals, insects and plants. Promoting education about and recreation in our natural spaces has been a part of the Sierra Club philosophy since it was founded in 1892.