TreeHugger's Lloyd Alter spoke recently at the Sustainable Buildings Canada conference in Toronto, about many issues that have been covered in TreeHugger before. Here are a few slides and notes from his presentation:

It is a question that has been asked in many cities besides Toronto: How high? Who benefits from 80 storey towers built to such incredible densities? Is this a good thing? I think that in most cases, the answer is no. I have tried to make the case that there is a "Goldilocks' Density"; not too high, not too low, but just right.