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| Description: 1. Population growth and the environmental impacts. 2. Consumption and technology also make an impacts: IPAT model Total impact (I) on the environment as the producct of population (P), affluence (A), and technology (T): I = P x A x T 3. Ecological footprints help us quantify our impacts: - Calculating our ecological footprint: The environmental impact of an individual or population Amount of biologically productive land + water required to provide raw materials a population consumes and absorb the waste produced - Biocapacity a. Humans have surpassed the Earth’s capacity b. Biocapacity creditor vs debtor We are using 39% more of the planet’s resources than are available on a sustainable basis from all the land! Picture Stats: Views: 281 Filesize: 81.59kB Height: 695 Width: 1400 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35590 |