California fire investigators said Wednesday that the Pacific Gas and Electric Company was to blame for last year’s Camp Fire, the deadliest and most destructive wildfire in California’s history, which left 85 people dead and scorched more than 150,000 acres. Investigators concluded the fire began after PG&E electrical transmission lines ignited dry vegetation in at least two spots. In a statement, PG&E said it accepted the determination. California has seen increasingly deadly blazes in recent years as climate change drives higher temperatures, extreme droughts and severe weather that make wildfires far more destructive.