ENVS195 Midterm: Midterm Notes

• School: University of Waterloo
• Department: Environmental Studies
• Course: ENVS195
• Professor: Erin Joakim

Document Summary

Chapter 1 ecological footprint: ecological footprint includes all energy and material requirements, also disposal of waste, most of a footprint comprises the space needed to absorb waste from energy consumption, especially carbon dioxide. 2004 study examined ecological footprint of 20 municipalities, amount of food and energy use: canadian average: 7. 25 hectares per capita, third world ranking, lowest was in sudbury, 6. 87 hectares. Success due to effort of public works engineer in charge of heating and sewage. Introduced many programs related to using local energy sources such as wind, sun and earth"s heat. Reduced cost of heating and resource consumption: highest was in york-durham region, 10. 33 hectares. Uses 43% more resources per capita than average canadian. Inner most layer or trophosphere contains 99% of the water vapour and up to 90% of air and is responsible for our weather. Two gases, nitogren, 78%, and oxygen, 21%, << account for 99% of the gaseous volume.