Some climate scientists are cautious about prematurely attributing human caused-climate change as the sole cause of the disaster that resulted in the violent flooding of Himalayan villages in Nepal this week. But other experts say it was the kind of catastrophe they’ve been warning about for years.

Global warming is making high-altitude regions unstable, and could trigger more frequent landslides and floods.

A glacier collapse, not rain, triggered Nepal's deadly flash flood. Scientists explain what happened, and climate change's role behind it.