Issuing parking tickets is not exactly the most popular job in the world. The authorities in Sachsen-Anhalt have now also recruited volunteers or "traffic monitors.” Matthias Mendler is one of the team.
Hundreds of homes have been hit by severe flooding in southeast England after the River Thames burst its banks. Flood victims say the government has failed to deal with the crisis.
Radar, radio and sonar can all be used to locate missing planes. Now, a crowdsourcing initiative is allowing regular people to comb satellite images in the search for flight MH370, which went missing last Saturday.
Two port cities share similar problems. Hazardous materials are on the move and there is the risk of traffic accidents. A good fire and rescue service can save lives. Enter the Hamburg fire brigade.
Residents in the South Korean city of Suwon have just spent a month without cars. Organizers and participants say the project could be a model for city life in the future.
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