Should/shouldn`t (Environment and Greener Living)

We ___________ plant more trees.

We ___________ use the public transports.

We __________ replace old bulbs with LED.

We ______________ cut down trees.

We _____________ turn off the light when we leave a room. 

We ______________ sort the garbage.

We _____________ save water while washing the dishes.

We _________ protect wildlife.

 We _________ pollute rivers.

We shouldn`t ________ rainforests.