Energy efficient lightbulb in dramatic lighting with focus in front

Retired oil pump jack in a park

Retired oil pump jack in a park

Oil refinery smoke stacks and machinery against blue sky.

Oil refinery smoke stacks framed by trees in a park against blue sky. Conceptual clean air versus pollution.

Recycle concept. Old newspaper bundled with twine rope

Recycle concept with tied newspaper and aluminum soda cans

Recycle concept. Aluminum cans closeup for use as background or concept

Recycle concept. Aluminum cans closeup for use as background or concept

Recycle concept. Aluminum cans tied with twine rope