Carbon hot spots discovered near California coast

Scientists exploring the Northern California coast have, for the first time, uncovered a treasure trove of carbon compacted on the seafloor—a discovery that may help unravel the ocean's power to combat climate change.

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.

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