Deforestation
48 % is subsistence farming.
32 % is commercial agriculture.
14 % is logging.
5 % is fuel wood removals.
1 % other causes
Atmosphere
the climate and geography.
global warming.
greenhouse effect.
Hydralogical
The water cycle
much drier climate.
landslide, erosion and flooding ensue.
reforestation
In many parts of the world
Especially Asia
1 million hectars in 5 years
The arbor day foundation
Economics
Shortterm economic gains.
Loss in longterm.
Illigal woodcutting.
History
Easter island
11001500 AD Wester Europe
Massive use of charcoal.
Steam engine and steamboats.
References
http://environment.nationalgeographic.com/environment/globalwarming/defores
http://en.wikipedia.org/wiki/Deforestation
http://wwf.panda.org/about_our_earth/about_forests/deforestation/
Thank you for listening !
annaabi.ee 
