A large piece of black coal with an double electrical outlet. Bright green background

---

Size: 3450px × 5009px
Photo credit: © Nicholas Eveleigh / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: assistance, balance, black, choice, coal, connection, conservation, conserve, control, conversion, convert, creativity, crisis, danger, demand, dependence, direction, earth, electric, electrical, electricity, energy, fuel, future, green, ground, heat, ideas, innovation, outlet, plug, power, preparation, provide, recycle, resource, resourceful, simplicity, solution, source, supply