A wildfire is an unplanned, unwanted fire burning in a natural area, such as a forest, grassland, or prairie. As building development expands into these areas, homes and businesses may be situated in or near areas susceptible to wildfires. This is called the wildland urban interface.
Wildfires can occur anywhere in the country. They can start in remote wilderness areas, in national parks, or in a backyard. Wildfires can start from natural causes, such as lightening, but most are caused by humans, either accidentally - from cigarettes, campfires, or outdoor burning - or intentionally.
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wildland fire.