Over the past 30 years, Mexico City has gone from being the most polluted city in the world to coming in 999th on that list. Taming traffic and supporting a robust bicycling culture has contributed to that turnaround. John Burnett reports from Mexico City.
Every day, reporters and producers at The World are hard at work bringing you human-centered news from across the globe. But we can’t do it without you. We need your support to ensure we can continue this work for another year.
Make a gift today, and you’ll help us unlock a matching gift of $67,000!