This PSA is effective because it shames the viewer. It makes the viewer think about how they treat the planet and how it is not fair for those we share the planet with. The gas masks are also a nice way to get the point across.
18 for - If your document has text in it, the rules. You’ll start to see a world of in your documents, whether they be reports, brochures, or even your résumé. These rules for using text apply across the board.