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Fire regimes of United States plants. Savannas have regimes of a few years: blue, pink, and light green areas. When first encountered by Europeans, many ecosystems were the result of repeated fires every one to three years, resulting in the replacement of forests with grassland or savanna, or opening up the forest by removing undergrowth. [23]
About 95% of fires in California are caused by humans, whether through an intentional act of arson, a downed power line, or a backyard barbeque party or fireworks celebration gone awry, Cal Fire ...
The control of fire by early humans was a critical technology enabling the evolution of humans. Fire provided a source of warmth and lighting, protection from predators (especially at night), a way to create more advanced hunting tools, and a method for cooking food. These cultural advances allowed human geographic dispersal, cultural ...
Pyrocene is a proposed term for a new geologic epoch or age characterized by the influence of human-caused fire activity on Earth. The concept focuses on the many ways humans have applied and removed fire from the Earth, including the burning of fossil fuels and the technologies that have enabled people to leverage their influence and become the dominant species on the planet.
The Palisades Fire, the biggest and most destructive wildfire in Los Angeles history, has “human origins” as a likely cause, according to a new report. Authorities investigating the cause of...
A sheriff’s deputy in Clackamas County, Oregon was caught on video claiming that the fires were started by "Antifa or other crazy left-wing people." Fox News host Laura Ingraham made the claim ...
However, human influence caused an increase in fire frequency. Dendrochronological fire scar data and charcoal layer data in Finland suggests that, while many fires occurred during severe drought conditions, an increase in the number of fires during 850 BC and 1660 AD can be attributed to human influence. [ 297 ]
In California, wildfires caused by humans grow faster and become hotter than wildfires sparked by lightning, the studies show.