According to a recent article in the New York Times on "The Allure of Vertical Forests," cities currently cover about 3% of the Earth's land. However, some forecasts say that population growth and migration could push that proportion up to about 10% by 2030. And it's pretty certain that almost all of that will go … Continue reading Vertical forests in the Sahara?
On the eve of the annual "Bike to Work Day" - which this year is observed nationally in the US on 19 May 2017 (with some exceptions like Chicago and Colorado) - here's a quick look at a couple of aspects of bicycling that don't seem to get much attention: people who bike to work regularly, largely … Continue reading A hidden class of “bike-to-workers”?
In the Neolithic town at Çatalhöyük in what is now south-central Turkey, "The houses were ... built so close to each other that it was impossible to pass between them. ... It's thought that the roofs of the houses provided the paths and sidewalks to traverse the community." This description by Prof. Steven Tuck in … Continue reading Çatalhöyük & a line from Kōbō Abe
Elon Musk's introduction of SpaceX's plans to go to Mars was long on the how to get there, but short on the "now what?" once passengers land. What would cities on Mars look like, and how would they solve the material and social challenges they would encounter from the moment they arrive at their destination? … Continue reading Settlements on Mars? Start in Earth’s deserts