Flood-Ravaged Nepal on Alert as Scientists Warn of Additional Risk

Earth scientists are in the early stages of analyzing the devastating debris flow but say it fits a pattern fueled by global warming. By Bob Berwyn, Nicholas Kusnetz

Residents and rescue workers in flood-ravaged valleys of Nepal faced the threat of a new wave of inundation Friday, as scientists warned that debris had blocked rivers upstream, forming fragile dams ready to burst.