Numéros de Téléphone Oettli Georgina
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WWF - Farming: Soil erosion and degradation
Farming: Soil erosion and degradation ... 1. WWF (2006) Facts about soy production and the Basel Criteria. 2. Carey C., Oettli D. (2006) Determining links between ...
http://wwf.panda.org/what_we_do/footprint/agriculture/impacts/soil_erosion/
Environmental problems in Brazil - WWF - â¦
Environmental problems in Brazil ... Aerial shot of the Amazon showing forest fire, Acre State, Brazil.
http://wwf.panda.org/who_we_are/wwf_offices/brazil/environmental_problems_brazil/
