Question

What if trees could speak......?

Answer 1

It would be great if tress could speak.They could also share their joys and sorrows with us as we all do.They can also be good friends to us.They would also tell us about their needs and we could help them.

Answer 2

If trees could speak..   

They would have told us what made them happy and sorrow.They would became our friends,with better words they would be our best,good,wise..friends. All these above as they our friends,there would be no scenes like cutting trees,deforestation instead we would take care of them. Because of this reason there would be no pollution and more trees and we would have felt the real nature,haven't we? 
Yes,now if we imagine this, we feel sad that trees can't talk.Even though they can't talk but,they do feel us, right??

Hope my answer helped you...