What is an ecological footprint? What is a per capita ecological footprint? Define biocapacity. Use the ecological footprint concept to explain how we are living unsustainably. What is the IPAT model...

What is an ecological footprint? What is a per capita ecological footprint? Define biocapacity. Use the ecological footprint concept to explain how we are living unsustainably. What is the IPAT model for estimating our environmental impact? Explain how three major cultural changes taking place overthe last 10,000 years have increased our overall environmental impact. What would a sustainability revolution involve?