"We know a lot about the ideal environment for a happy whale or a happy mountain gorilla. We’re far less clear about what constitutes an ideal environment for a happy human being. One common measure for how clean a mountain stream, is to look for trout. If you find the trout, the habitat is healthy. It’s the same way with children in a city. Children are a kind of indicator species. If we can build a successful city for children, we will have a successful city for all people"
YES! Magazine - Change is coming to our cities in the next 10-20 years, whether or not our culture is ready for it. As cheap oil disappears and we firmly enter the age of ‘extreme energy’ and additional finite resources diminish to scarce levels, we will be forced to adjust to new ways of building and living with a global population approaching eight billion—almost entirely in urban settings. Even as our cities mushroom in size, the very mega-infrastructure projects that built them—created in a world where cheap energy was substituted for common sense and ethical planning—become obsolete. Read more.