The cartographers over at Floating Sheep track tweets on both topics.
Cai Guo-Qiang transforms fireworks into eardrum-shattering "smoke paintings" in cities across the world.
A new book argues that locavores are terrible for the environment, the economy and global food security.
Congress had an opportunity to bring America into the 21st century. Instead it chose to pass a bill that will do little to improve access to public transportation.
Why where we live determines how we date.
Police typically identify gang territories by tracking crime, graffiti and other clues. But a simple ecological equation might do the job even better.
Also, Los Angeles-area officials believe that "money makes the monkey dance," and a Georgia mayor struggles to get somebody to pay for his lawsuit.
Researchers in Los Angeles try out a more granular approach to temperature change estimates.
Why Prudential thought it could save America's downtowns through its own decentralization.
Travel writer Taras Grescoe on the joys of public transportation.
Or, how Americans learned to legislate our NIMBY impulses.
Beautiful social housing in Los Angeles is trying to change the lives of its residents and the way communities feel about them.
Also banned recently: Porch sofas in Durham, North Carolina; public profanity near Boston; a British man who drinks mouthwash.
Iñigo Manglano-Ovalle's "Weather Field" installation is designed to create a "microclimate" in the air.
Also, California cities binge on foie gras before it's banned; Boston knocks down satellite dishes; you can't dress up like Tinker Bell at Disney World; a British city welcomes back meter maids.
Deductive reasoning says Seattleites should drink 'em while they got 'em.
Pet-friendly policies created a livelier, more vibrant downtown.
A handful of new travel companies ask what you'd learn if you approached the mundane in your own neighborhood like a tourist.
As two projects in Los Angeles show, public art has more than just aesthetic appeal - it can generate income for developers and local government.