Deforestation for the purpose of growth of industrialization is not good. Growth of industrialization is needed. But not at the expense of forests.
Forests are part of our ecosystem. The contribute to the ecological balance. The release fresh oxygen into the air, they cool the air. They hold the terrain. Cutting of forests can result in corrosion, seasonal changes, reduction of many resources. Some of the effects of green house cases is reduced by them.
We must replant and regrow trees as many as we cut down.