Policy

California has extended its system to price carbon, an initiative that has inspired significant emissions cuts, after building bipartisan support. So far, the idea has sprung up in 50 jurisdictions around the world. Read More

The South Miami City Commission in a 4-1 vote approved a law requiring solar panels to be installed on all new homes built in the city. Read More

A new handbook offers advice to cities willing to make the leap to join Frankfurt, Vancouver, San Francisco and more than 300 others in the transition to clean energy. Read More

Heavy rains causing floods and mudslides frequent, and heatwaves are more severe. The consequences for low-income households and older adults could be particularly serious. Read More

The recently formed Climate Leadership Council has signed big founding backers like General Motors, PepsiCo and ExxonMobil in its bid to advance a "carbon dividend" model. Read More

It cost $70 million per mile to replace the Rockaway Beach dunes and walkway destroyed by Superstorm Sandy five years ago, a project emblematic of forward-thinking coastal development. Read More

The private sector is eager to help address the challenges of rapid urbanization. Here's how the United Nations Global Compact is helping inspire collaboration with cities and community governments. Read More

A new incubator from the Arizona State University and the city of Phoenix finds ways for both public and private organizations to overhaul waste. Read More

From Hawaii's Molokai to Samso, Denmark, islands are becoming a hotbed for experimentation with renewable energy, waste reduction and water conservation. Read More

The North American company has sold at least 400 buses to Seattle, Dallas, Nashville and several dozen other U.S. cities. Read More