Save energy ne demek Save energy sources ne demek Keep the environment clean ne demek Recycle ne demek Think green ne demek Use eco-friendly light bulbs ne demek Environmentally friendly products ne demek Throw garbage on the streets ne demek Drop litter ne demek Increase of the heat in Earth’s atmosphere ne demek Noise pollution ne demek Recycling bin / Recycle bin ne demek Glass wastes ne demek Metal wastes ne demek Reuse ne demek