Answer:
The paper will run out.
Lots of animals will lose their habitats. (80% of animals survive in forests, they might die without them)
Will impact global warming.
Release alot of CO2 (carbon dioxide).
Will increase the greenhouse effect. (These 3 go together)
Oxygen might possibility be greatly reduced. (Rainforest provide nearly 20% of oxygen)
There will be no rain. (Trees absorb the water and released it)
Dead wood will increase (wild)fires.
Greatly impact the water cycle. (Trees keep ground wet)
I know there is only 2 needed but it might help others in the future.
Hope it helps!