Alejandro Osuna 5°
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| $15.000 |
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| $15.000 |
15 enero 2012
14 enero 2012
Think Green
- If paper comsumption continues as usual, forests be extinguished increasing the greenhouse effect.
- To produce one ton of paper, requires 14 adult trees, 15 cubic meters of water, and 1500 kg of waste mas generated
20 noviembre 2011
At last.
BookSwap serves as an intemediary in the sale of used textbooks, encouraging enviromental responsability in students and their parentes.
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