A lethal combination of drought, heat and voracious bark beetles has killed 26 million trees in the Sierra Nevada over the last eight months — an alarming finding for a state already raging with wildfires fueled by desiccated landscapes.
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A lethal combination of drought, heat and voracious bark beetles has killed 26 million trees in the Sierra Nevada over the last eight months — an alarming finding for a state already raging with wildfires fueled by desiccated landscapes.