Mother Jone: This story originally appeared on the Huffington Post and is reproduced here as part of the Climate Desk collaboration.
Deadly, record-breaking heat and wildfires sweeping across the Southwestern US are a clear sign of manmade climate change at work, scientists say.
Triple-digit temperatures began scorching Nevada, California, Arizona, Utah and New Mexico early this week. Some of the most intense heat was recorded throughout Arizona, where four hikers died in separate heat-related incidents....