Hand writes "Save the earth!" on blackboard

---

Size: 5631px × 3754px
Photo credit: © Robert Kneschke / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: apprentice, apprenticeship, arm, blackboard, chalk, chalkboard, change, climate, concept, conservation, drawing, earth, ecology, education, environment, environmentalism, global, globe, hand, land, nature, planet, plants, presentation, preserve, protect, protection, rec, receive, rescue, save, school, seminar, sustainability, training, tree, trees, university, world, write