2011年11月23日星期三

Videos

An example of the negative effects of commercial logging.

http://www.dailymotion.com/video/xeqzgh_effects-of-commercial-logging-in-ch_tech#rel-page-10


Clearcutting's threats.

http://www.youtube.com/watch?v=rgu99-lFTIA


Beautiful Temperate Forest Biome.

http://www.youtube.com/watch?v=nVe8jF9jEeE

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