Kenya floods prompt calls for warning systems

Kenya's worst flooding in decades highlights the urgent need for more robust mitigation efforts, including flood risk maps and early warning systems, say climate scientists.

Brazil's Porto Alegre: a flood disaster waiting to happen

Porto Alegre, the Brazilian metropolis left submerged after torrential rains, had been lulled into a "false sense" of security by a vast but aging system of flood defenses, an urban drainage engineer told AFP.

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