Cities are changing at an unprecedented rate: 75 percent of the infrastructure expected to be in place by 2050 has yet to be built. Meanwhile, major adjustments are needed to reach global climate and development goals. Now is the chance ...

Diesel buses – and the choking smog they spew – are a common sight in most cities. But not in Shenzhen, China. The southeastern city, which connects Hong Kong to mainland China, announced at the end of last year that ...

Bike sharing systems in busy urban cores are not new. The first major breakthrough started 20 years ago with the so-called “third generation” of bike sharing systems introducing the use of smart cards to unlock and rent bikes. Today, bike ...

Would you spend $8 per year to see your community reduce rates of obesity, heart disease, anxiety and asthma? Still not convinced? What if that investment also reduced energy costs and increased property values? Urban trees can transform city neighborhoods, ...

The 2017 Sustainable Energy for All Forum kicked off with a stark warning: The world is not on track to reach its 2030 energy goals, including those on efficiency. To speed action, leaders in government and finance will need to ...

With a metropolitan population of more than 21 million people—and growing quickly—Mexico City faces distinct challenges in delivering sustainable urban mobility. Whether to combat a long history of urban sprawl or to meet the mobility needs of different communities, the city has had ...