EESA06H3 Lecture 11: EESA06 Lecture 11 Notes

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3 Jul 2011
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Focus on chapter 20, subduction and plate tectonics: landfills: waste dump, 1200, leachage: rain washed through waste, similar to contaminated ploons, radon gas: product of the breakdown of uranium, colourless and odourless may cause lung cancer. This is bad because we have a lot of granite and shale with plenty of uranium resulting in radon. 1998 is the warmest year, earth may be cooling: extraction of sand for oil and gas. Providing resource security such as water, iron, coal or oil. Helping society adjust to global change, the way in which the planet is evolving naturally. As urban areas get bigger, they are more susceptible to hazards. 81% people live in urban areas in australia. Anthropocene; the epoch of man (our current epoch), the beginning of industrializations, factories, movement of people to urban areas. Replacing permeable surface such as soil or grass with impermeable surface such as concrete such as scarborough bluffs.

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