Wildfire acreage up 25% nationally as California battles new blazes, prepares for 'very dangerous heat wave'

Wildfire acreage up 25% nationally as California battles new blazes, prepares for 'very dangerous heat wave'  CNBC Wildfires Spread In Northern California  NPR County Fire In Yolo, Napa, Lake Counties Grows To 60000 Acres  Patch.com Northern California wildfires are burning much earlier this summer. Here's why  Sacramento BeeFull coverage