Answer:
Front the atmosphere that's from environment
The answer would be tissues.
Stand on two feet, walk in a straight line and be careful to not trip/step on anything that could make me lose my balance
Oh boy, there's many, many, many, many...
(many x100)
many ways!
One way is to take shorter showers and conserve water wherever you go, at home, at a restaurant, hotel, etc.
Another way is to not litter on the streets.
Or, spread the word and tell everyone to conserve water, not litter, or just anything to help the environment!