• "Keep it clean, keep it green—make the Earth a living dream!"

  • "Don’t delay, save Earth today!"

  • "Plant a tree, let Earth be free!"

  • "Be Earth-wise—protect the skies!"

  • "Pollution's not the solution, join the green revolution!"

  • "Reduce the waste, keep up the pace!"

  • "Breathe in clean, keep the planet green!"