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Working on Fire

Smart management of wildfires can help curb global heating

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Published by: Julie Van Offelen on December 16, 2019 Author:

Extensive wildfire disasters, such as recently reported in Australia, Indonesia and the United States, adversely affect communities, economies and ecosystems. More generally, they contribute to air pollution and global warming, and indicate that existing mechanisms to deal with wildfire, centered around disaster risk management, are insufficient.

Carbon dioxide (CO2) and other emissions from peatland and forest wildfires contribute substantially to the global greenhouse effect, thus making floods and droughts more likely to occur. They also produce health-damaging smoke particles and black carbon.

Smoke particles reduce solar radiation absorbed by the atmosphere during fires or burning seasons. This can generate significant regional climate effects.

Black carbon in smoke particles can lead to warming in the middle and lower atmosphere, leading to more unpredictable weather patterns.  Deposits of black carbon on snow make the snow less able to reflect sunlight back into space, further warming the planet.

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Wildfire disaster near Cape Town.

“Wildfires are expected to increase in many regions of the globe under a changing climate. Reducing forest-related greenhouse gas emissions is key to mitigating climate change,” says Kieft.

Read the full article

For more information, please contact Dianna Kopansky: Dianna.Kopansky@un.org or Johan Kieft: Johan.Kieft@un.org


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