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The organizers of the Olympic Games in Paris spent $1.5 billion to clean up the River Seine. The World’s host, Carolyn Beeler, speaks with naturalist and author Sy Montgomery about other efforts to keep rivers clean around the planet.
Nearly one-third of Japan’s population is over 65, making it the oldest country in the world. Small rural towns nationwide are seeing these demographic changes most acutely as younger residents leave for larger cities. Nowhere is this more evident than in the village of Nanmoku, where officials are using the allure of cheap property to bring a newer, younger generation of residents to town.
Mexico City is the biggest city in North America, and like most big cities, it has a lot of cars and traffic. Yet, over the past 30 years, it’s gone from being considered the most polluted city in the world to ranking 999th among global cities for air pollution. A small part of that has been taming traffic and the development of a robust bicycling culture. John Burnett reports from Mexico City.
Porto Alegre, the capital of Brazil’s southernmost state, has had to adapt after the metropolitan area of roughly 4.5 million people lost its only international airport. A month ago, unprecedented flooding sank major parts of the city. The rains have continued and the city’s airport is still underwater. So, officials have gotten creative.
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