Deforestation
Refers to the decrease in forest areas across the world that are lost for other uses.
Causes
Natural origin
Parasite-caused diseases which can result in deforestation.
Etc.
Natural forest fires.
Human origin
Agriculture is the Number 1 Cause of Deforestation (~80%).
Deforestation Caused By New Constructions (~15%)
How Urbanization Is Causing Deforestation (~5%).
Consequences
It will be that some animals will stop living in those areas, causing a natural imbalance.
It will be that some trees become extinct.
Solutions
Plant a tree.
Do not use paper (or reduce its use).
Recycle and buy recycled products.
Etc.
In recent years, large area have been destroyed, as the trees are cut down for wood or burned to clear the land for farming. The burning releases large amounts of carbon dioxide into the atmosphere.