At least three people have died after Storm Filomena wreaked havoc across Spain and blanketed the capital in more than a foot and a half of snow, paralyzing it for days.
In the United States alone, food waste generates the same amount of greenhouse gas emissions as 37 million cars. But cities are coming up with solutions.
Cars changed the way we move. They also led to toxic levels of air pollution in many cities. Now, under pressure from their citizens, city officials are experimenting with new ways to reimagine the role of cars.
