Between June 2019 and February 2020, various Australian states and territories were subject to large numbers of uncontrolled bushfires, mainly in the southeast of the country. , fires burnt an estimated , destroyed over 5,900 buildings (including 2,779 homes) and killed at least 34 people. An estimated one billion animals were killed and some endangered species may be driven to extinction. Air quality dropped to hazardous levels. The cost of dealing with the bushfires is expected to exceed the 4.4 billion of the 2009 Black Saturday fires, and tourism sector revenues have fallen more than 1 billion. By 7 January 2020, the smoke had moved approximately across the South Pacific Ocean to Chile and Argentina. As of 2 January 2020, NASA estimated that of CO (carbon dioxide) was emitted.