By Anastasia Moloney / Thomson Reuters Foundation, BOGOTAHit with ever-more-frequent torrential rain that triggers worsening flooding and mudslides most years, Rio de Janeiro is looking to an unusual gathering for answers: a hackathon. RISING URBANIZATIONAround Latin America, tens of millions of people are at risk from worsening flooding linked to climate change, many of them living in urban slums often built along rivers or on mountain slopes prone to landslides. Flooding is clearly seen as one of the most severe threats. Extreme heat came next, at 61 percent, followed by drought at 36 percent, said the study, which was published last month. The city has also installed cameras to monitor street flooding and set up social media alert systems.
