Wildfires destroyed large parts of southeast Australia during the second half of 2019 and early in 2020.Late last week, Australian investigators released an official report on the fires.The investigators for greater efforts to predict the effects of climate change on the country.The report noted that fire behavior was becoming more extreme.The Royal Commission into National Natural Disaster Arrangements began studying the fires in February.The fire season was so destructive that it is now known as Black Summer.The fires killed at least 33 people, destroyed more than 3,000 homes and burned 19 million hectares.Thousands of people were forced to leave affected areas.The Royal Commission said the smoke that covered much of the country, including major Australian cities, was partly to blame for hundreds of deaths.The commission's 578-page report made 80 suggestions. They include greater sharing of information across Australia on climate and disaster risks.