Detailed text transcripts for TV channel - CNN - 20210522:08:52:00
Spring as tom sater explains. >> reporter: this is what scientists are calling a zombie fire. wildfires that survive the winter snow and spark back up in the spring. a phenomenon that adds to the complexity of climate change. a new study found that although this appears to be a small problem now, it could become worse over time. so-called zombie fires or over-wintering fires happen in high-latitude environments including alaska and canada's northwest territories where the earth is warming faster than almost anywhere else. although most wildfires happen within a single year, these fires smolder...