Flood expert warns ‘this will happen again’ after Nepal disaster

Meteorological hazards researcher Dr. Jeff Da Costa reacts to a deadly glacial collapse in Nepal and Tibet that triggered massive landslides and floods, leaving hundreds missing.

Meteorological hazards researcher Dr. Jeff Da Costa breaks down a catastrophic glacial collapse along the Nepal-China border that triggered devastating landslides and flash floods. Visual graphics illustrate the seismic impact and path of the wall of water downstream. Officials report hundreds are missing, including dozens of Americans, as rescue operations continue.

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