New Moon: The moon is not visible in the sky. Except during a solar eclipse, Waxing Crescent: The moon is less than one-half illuminated by the sun but less than one quarter illuminated. Occurs when the moon's illumination is increasing, First Quarter: The moon is one-half illuminated by the sun. Occurs when the moon's illumination is increasing, Waxing Gibbous: The moon is more than one-half illuminated by the sun but not completely illuminated. Occurs when the moon's illumination is increasing, Full Moon
Preservationist is generally understood to mean historic preservationist: one who advocates to preserve architecturally or historically significant buildings, structures, objects or sites from demolition or degradation.
Conservation is the preservation or efficient use of resources (in an efficient or ethical manner), or the conservation of various quantities under physical laws. Conservation may refer more specifically to: Conservation (ethic) of biodiversity, environment, and natural resources, including protection and management. Conservation-restoration of cultural heritage, protection and restoration of cultural heritage, including works of art and architecture, as well as archaeological and historical artifacts.