Thousands of giant sequoias killed in California wildfires

Lightning-sparked wildfires killed thousands of giant sequoias this year, adding to a staggering two-year death toll that accounts for up to nearly a fifth of Earth’s largest trees, officials said Friday.

Ex-college professor charged with setting four California wildfires

A former college professor was indicted by a federal grand jury Thursday for allegedly starting four wildfires in Northern California earlier this year that threatened to trap firefighters as they battled a massive fire nearby, federal prosecutors said.