I cant write those many but i can write some :-
1. save home,stop plastic use.
2. no other planet other than earth ,for us to live
3.use cloth bags,jute bags,say no to plastic bags
4.use steel utensils ,say no to plastic containers
5.reduce health hazards ,say no to plastics
6.say yes to clean and green environment
7.say no to irreversible damages
8. say yes to sustainable development.
9.save earth for future generations.
10.say yes to all natural things.
11.say no to plastic, save the earth
12.say no to plastics, save animals
13.say no to plastics, save your children
14.say no to plastics ,it is poiusinous
15.say no to plastics ,save seas and rivers