Eventos extremos

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Como repensar conexões pode combater as mudanças climáticas | Clezio De Nardin | TEDxGuararema
TEDx Talks· 2025-07-01 16:57
Climate Change and Extreme Weather Events - Extreme weather events are more intense than previously anticipated, with 700 mm (7 meters) of water falling in less than 5 days [7] - Climate change scenarios are worse than projected, with measured temperatures exceeding the worst predictions from 2007 [11] - A 1941 flood in Porto Alegre, followed by the construction of 14 floodgates (5 meters high), proved insufficient to prevent future disasters, highlighting the limitations of solely relying on infrastructure [4][14] Disaster Response and Mitigation - Rapid connection and collaboration between satellite operators, the National Water Agency, the Army Cartography, universities, and other institutions enabled quick aid distribution after a recent flood [6][7] - A new supercomputer has been acquired and tested to improve weather forecasting models, with the aim of more accurately predicting extreme weather events [12][13] - The development of Brazil's first geostationary satellite is underway to monitor weather fronts from the Arctic to Antarctica, aiming to save lives [13][14] Collaboration and System Improvement - The country suffered 19 billion in losses due to the flood [5] - The establishment of a national meteorology system is crucial to avoid overlaps, optimize public resources, and improve weather forecasts for civil defense institutions [16][17] - Building connections and knowledge sharing between institutions, people, and technologies are essential for resilience against future extreme events [3][15][17]