If the forest cover is reduced to half, what is most likely to happen on a long basis?

If pH of blood is artificially changed to 8, what is most likely to happen

If forests reduce what would happen?

If forest area is reduced to half, which one of the following will be a long term effect

If we uncover half of the forest covering of the Earth what crisis will be produced at most and at first?

Suppose the distance between earth and sun becomes half of its present distance. What is likely to happen to life?