ENDS 221 Lecture : ENDS 221 Sept 6 .docx
Document Summary
In canada and us, 80% of ppl live in cities. Low density sprawl is 80% of the city problem. Greenhouse gases 3 sources: buildings, transportation, and personal property. Canada"s ghc emission - driving and building are about 35%, but all other categories are really to feed cities and city life. In us and canada, ghg is coming from cities. 23 times more damaging per unit than co2. Co2 equivalents, livestock produces 18 percent of total ghb damage. The most fundamental relationship between people and ghg is density. The relationship between transport and land use - a community used study of 32 cities conclude that there was a strong link between urban development density and consumption - a comparison among sydney, 29% is cars and light over 5% of global ghg comes from concrete.
