solar energy phrase handwritten on school blackboard

---

Size: 6016px × 4016px
Photo credit: © Yury Zap / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: blackboard, care, chalkboard, concept, ecology, energy, environmen, environment, green, handwritten, heart, kind, love, nature, phrase, positive, power, red, solar, source, symbol