Cities

Smart Cities

Actor/activist Mark Ruffalo will follow you on Twitter if you donate to Japan relief

Last seen agitating for a ban on fracking, actor and environmental activist Mark Ruffalo is now using Twitter as a platform to raise money for relief efforts in Japan. Dude is following and retweeting the sh*t out of anyone with …

Urbanism

The world’s top 10 walking cities [SLIDESHOW]

Photo: Miss KA great city is a great walking city. So which is the greatest of them all? Travel book publisher Lonely Planet just surveyed its readers and asked them to pick the best walking cities in the world from …

Cleantech

This year’s Cleantech Forum: Less sexy, more efficient

Looking for new ways to get in the cleantech game.Photo: emilydickinsonridesabmxIt’s a rite of spring, the annual Cleantech Forum in San Francisco. Venture capitalists, startup entrepreneurs, and various hangers-on gather at an upscale hotel to network, pitch, and hopefully clinch …

Transportation

Putting a price on a city’s streets

Streetfilms has dropped the latest in its “Moving Beyond the Automobile” series, this time explaining the economics behind congestion pricing for automobiles. The idea behind congestion pricing for automobiles is really pretty simple: “One of the most precious resources in …

Smart Cities

Liberal NIMBYism: the most despicable form of hypocrisy?

Prospect Park’s new bike lane is worse than airborne weaponized AIDSPhoto: shannonvsimmsIn staunchly liberal enclaves all over the country, citizens who profess to progressive environmentalism in the abstract are thwarting local efforts to increase the sustainability of their immediate environment. …

Politics

Edward Glaeser: Tea Party-style libertarianism could be good for our cities

Cities: Land of the free, home of the brave.Photo: Thomas HawkWhen I talked with economist Edward Glaeser last month about his new book Triumph of the City, he touched briefly on the idea that Tea Party activists, rather than being …

Biking

Live Twitter chat: Can bicycling save the economy?

Making statements like “bicycling will save the economy” sounds like pure hyperbole, and our bike columnist Elly Blue nearly nixed the idea as too out-there. Then she started looking at the numbers. And what she found is that bicycling turns …

Cities

Grading cities on their carbon emissions

The folks at Global Green USA have come up with an easy way to tell how a city is doing on its carbon emissions: give it a grade. That’s the idea behind Global Green’s City Carbon Index, an online tool …

Transportation

John Kerry takes infrastructure to the bank

John Kerry is willing to bank on infrastructure building. He and Republican Sen. Kay Bailey Hutchison (Texas) are introducing a bipartisan bill to create a bank for funding infrastructure projects — which includes roads (good way to get Republicans and …