Can last for a very long time An adverb to say that it’s very good for the environment The act of reusing things - The opposite of dirty Endangered _ To put waste in the appropriate bins The room where you grown plants 11 10 - The colour of this topic Things created by sun, wind, water, tiles When water becomes a catastrophe 12 layer To leave dangerous waste everywhere Keys Sustainable Eco-friendly Recycling Clean Species Sort out Greenhouse Green Tsunami 10 Ozone 11 Pollution 12 energy