I keep forgetting to link this video. Caught it a year or two back. Presents in laymans terms what you learned in highschool, but forgot to apply later...
http://www.youtube.com/view_play_list?p=6A1FD147A45EF50D
edit: On the same topic; Wow, in the Age Newspaper today State Parliament proved they're failing to even look at our own growth statistics by proposing an irrelevant tiny expansion to the city boundaries. http://www.theage.com.au/victoria/green-land-cut-back-as-melbourne-grows-much-bigger-20100729-10wvi.html?autostart=1
