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Oct 19, 2023 · A wildfire is an uncontrolled fire that burns in the wildland vegetation, often in rural areas. Wildfires can burn in forests, grasslands, savannas, and other ecosystems, and have been doing so for hundreds of millions of years.
Apr 2, 2024 · A wildfire is an uncontrolled burn of vegetation, which includes the burning of forests, shrublands and grasslands, savannas, and croplands. Wildfires can be caused by human activity — such as arson, unattended fires, or the loss of control of planned burns — and natural causes, such as lightning.
Wildfire near Yosemite National Park, United States, in 2013. The Rim Fire burned more than 250,000 acres (1,000 km 2) of forest. The health effects of wildfire smoke, such as worsening cardiovascular and respiratory conditions, extend beyond immediate exposure, contributing to nearly 16,000 annual deaths, a number expected to rise to 30,000 by ...
A wildfire is an unplanned fire that burns in a natural area such as a forest, grassland, or prairie. Wildfires are often caused by human activity or a natural phenomenon such as lightning, and they can happen at any time or anywhere.
Oct 19, 2023 · Worldwide, wildfire smoke kills 339,000 people a year, mostly in Asia and sub-Saharan Africa, according to estimates. Tenfold increases in asthma attacks, emergency room visits, and hospital admissions have also been reported when smoke blankets the places where people live.
Jun 19, 2024 · wildfire, uncontrolled fire in a forest, grassland, brushland, or land sown to crops. The terms forest fire, brush fire, etc., may be used to describe specific types of wildfires; their usage varies according to the characteristics of the fire and the region in which it occurs.
Jun 9, 2023 · Hundreds of ongoing fires in Canada have forced thousands to evacuate their homes and sent smoke to cities across the eastern United States. In 2020, the skies turned orange over the Bay Area, the result of dozens of wildfires scorching California’s forests and threatening the city of Oroville.
Uncontrolled blazes fueled by weather, wind, and dry underbrush, wildfires can burn acres of land—and consume everything in their paths—in mere minutes. On average, more than 100,000 wildfires...
Mar 9, 2022 · As climate changes, world grapples with a wildfire crisis. Whether it’s Europe, the Australian coast or the rainforests of Brazil, unrestrained wildfires – shrouded by black smoke and punctuated by the crackle of burning vegetation – have laid waste to some of the world’s most-iconic landscapes in recent years.
A new report, Spreading like Wildfire: The Rising Threat of Extraordinary Landscape Fires, by UNEP and GRID-Arendal, finds that climate change and land-use change are making wildfires worse and anticipates a global increase of extreme fires even in areas previously unaffected.
