Do not waste water
We must pick up our dog poop
Do not damage trees
Pluck the leaves
Break tree branches
Dispose of waste ground

If we don't change our habits, we will lose our natural resources.
If we don't change our habits, the ice cap will melt.
We should we public transports or we should ride our bike more often.
We should out down trees in the forest.
If we don't reduce using car, pollution will increase.
If we don't save water, the Ocean level increase