The United States' municipal recycling programs rely on China's voracious appetite for plastic trash. But the country's new ban on the import of certain types of solid waste may cause your city a giant, stinky headache.
In the pre-modern era, city-states were the engines of global trade and diplomacy. As rapid urbanization drives globalization outside the structures of international frameworks, cities are returning to the fore as transnational actors.
Part of a larger strategy to address its numerous environmental ills, the world's largest emitter of greenhouse gases will begin taxing carbon emissions, possibly as early as 2015.
For the next few days, America's eyes will be on the East Coast, where a historic storm is already making its presence felt. Quartz has posted a list of webcams to provide you with a first-hand experience of the storm, from the safety of your desk.