State of 'catastrophe' as downpours hit Chile

Heavy rains battered south and central Chile on Thursday, killing one person and causing damage to hundreds of homes as authorities declared a state of catastrophe in five regions of the South American country.

Model simulates urban flood risk with an eye to equity

Plans for flood mitigation along urban rivers often benefit some neighborhoods more than others. Researchers and collaborators in a densely populated California floodplain developed a way to help planners see how infrastructure ...

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