Disappearance of the American pika from the northern Sierra Nevada range is signlaing the dangers of climate change.
Disappearance of the American pika from the northern Sierra Nevada range is signlaing the dangers of climate change. AP file
Disappearance of the American pika from the northern Sierra Nevada range is signlaing the dangers of climate change. AP file

School start times, guns, carbon, climate change, drought

February 22, 2015 4:00 PM

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