See No Evil
An article explaining the robustness of supply chains. 'Tributaries' rather than 'chains'. ... "In some sense all gold is the same, so you just buy the cheapest gold you can get. But if you look at it in another way, it matters how it was mined and transported. And then all of the sudden, every piece of gold is a little bit different."
Miriam Posner, Logic Magazine, 2018.08.11
A Once-Maligned Concrete Megastructure in Seoul is Revitalized—Sans Gentrification
A focus on infill and re-use is example for some of the largely abandoned areas in cities like Ji'an, China. "Now, thanks to the Remaking Sewoon Project, which Seoul mayor Park Won-soon spearheaded in 2015, Sewoon Sangga is poised as an adaptive- reuse success story in the city’s post–2008 recession efforts to improve walkability, connect communities, and nurture creative growth."
Secret document warns vision for Sydney's light rail ignored realities
A 'Lessons for Light Rail' report says the project for a light rail from Sydney's CBD to the eastern suburbs should have had a more detailed design process with a longer evaluation and negotiation period. The report notes that "Visions were promoted before understanding the real constraints of the project - the underground utilities and drainage."
China made solar panels cheap. Now it’s doing the same for electric buses.
"Battery electric buses are still a nascent technology; they haven’t hit the steep upward slope of the S-curve yet. For city and county authorities, the decision between BEBs and diesel or natural gas buses is still agonizingly difficult, involving considerations about infrastructure, interoperability, lock-in, and lifecycle analysis that are new to many of them. So the market needs a kick in the pants to really get moving. And it looks like China is providing it."
Apartment buildings are illegal to build in 73.5% of San Francisco
"Apartment building" is defined to be a building with 3 or more homes. It is illegal to build a building with more than 5 homes in 87% of San Francisco. Many apartment buildings already exist in the red and orange areas but would be illegal to build today.
vadimg (data SF Gov, code Github), 2018.07.19