Hilary weakens to tropical storm heading for California

Hurricane Hilary weakened to a tropical storm Sunday as it barreled up Mexico's Pacific coast, but was still likely to bring life-threatening flooding to the typically arid southwestern United States, forecasters said.

Pacific oysters are dominant on Sweden's west coast, shows study

The Pacific oyster has taken over in the Swedish west coast county of Bohuslän. Researchers at the University of Gothenburg have found that the invasive species accounts for two-thirds of the biomass of all mussel and oyster ...

Heavy snow hits parts of southern California

Heavy snow fell in southern California on Friday, as the first blizzard in a generation pounded the hills around Los Angeles, with heavy rains threatening flooding in other places.

New study illustrates a changing flood recipe for Las Vegas

Las Vegas, with its rapid urbanization and desert landscape, is highly vulnerable to flooding. For this reason, flood managers have built an extensive system of drainage ditches and detention basins to protect the public. ...

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