The planet doesn't need saving. It'll still be here long after humans have ceased to be.

Hi, Are you asking for help with your grammar and word choice in your questions?

"What do you think about our planet? Is it very polluted? How do you think we can save it?"

First one we must mercy our land from the Environmental pollution. Second and it's so important let us start to cultivation more tree to get more kind weather and pure air. This is my point of view.

yeah, it is polluted but we can safe it by plantation;and by becoming environmental friendly.