Creado por Hannah N
hace más de 3 años
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Agro-forestry
Alternative energy
Chlorofluorocarbons (CFCs)
Climate change
Deforestation
Famine
Fossil fuel
Fragile
Global warming
Malnutrition
Overgrazing
Population pressure
Refugee
Soil erosion
Sustainable
Well-being
Ecological footprint
Sustainability
Desertification
Arid
Semi-arid
Global warming
Climate change
Enhanced greenhouse effect
Greenhouse gas