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Controlled burns have a long history in wildland management. Fire has been used by humans to clear land since the Neolithic period. [48] Fire history studies have documented regular wildland fires ignited by indigenous peoples in North America and Australia [49] [50] prior to the establishment of colonial law and fire suppression. Native ...
Wildfire smoke has spread miles from the major blazes as fire crews and the National Guard work to control them. Follow live coverage here See before and after photos from the California wildfires:
Wildfire prevention programs around the world may employ techniques such as wildland fire use (WFU) and prescribed or controlled burns. [120] [121] Wildland fire use refers to any fire of natural causes that is monitored but allowed to burn. Controlled burns are fires ignited by government agencies under less dangerous weather conditions. [122]
Unplanned fires that escape suppression often burn under extreme fire weather and can have severe wildfire effects. In contrast, prescribed burns and managed wildfires generally burn under more moderate weather conditions and contribute to variable fire effects and surface fuel reduction that can mitigate future wildfire severity
Deadly wildfires continue to ravage the Los Angeles area, as firefighters battle windy conditions to contain the out-of-control blazes. Containment does not mean that a blaze has been completely ...
The destructive power of wildfire has been a defining feature of a summer of climate extremes. ... But the dramatic images of this summer's infernos, from flames to ash, are a stark reminder of ...
Utility-caused wildfires are a subset of human-caused wildfires that are directly ignited by utilities, usually power lines. They are unplanned ignitions that can cause wild burns. [ 1 ] Hotter and drier weather as a result of climate change has been liked to lower moisture content in vegetation , which, along with high tree mortality has ...
This combination of a wildfire threatening a major urban area was shown with the Oakland Wildfire of 1991. The Oakland Wildfire was started by a fire of suspicious origin on October 19, 1991. [59] The fire became out of control on October 20 after the sparks from smouldering embers were carried by strong local winds.