Lake tsunamis pose significant threat under warming climate

Cowee Creek, Brabazon Range, Upper Pederson Lagoon—they mark the sites of recent lake tsunamis, a phenomenon that is increasingly common in Alaska, British Columbia and other regions with mountain glaciers.

Kenya, Tanzania brace for cyclone as heavy rains persist

Kenya and Tanzania were bracing Thursday for a cyclone on the heels of torrential rains that have devastated East Africa, killing more than 350 people and forcing tens of thousands from their homes.

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