Consensus approach proposed to protect human health from intentional and wild forest fires – University of Washington

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May 7, 2022

Prescribed forest fires are a necessary tool for controlling major wildfires and eventually limiting wildfire smoke and its harmful impact on health. Pictured is a 2019 prescribed burn in the Deschutes National Forest in Central Oregon.Mitch Maxson/The Nature Conservancy

All forest fire smoke is bad for people, but not all fires in forests are bad.

This is the conundrum faced by experts in forest management and public health: Climate change and decades of fire suppression that have increased fuels are contributing to larger and more intense wildfires and, in order to improve forest health and reduce these explosive fires, prescribed and managed fire is necessary.

These intentional fires some deliberately set and others unintended but allowed to burn under control will reduce the intensity of wildfire smoke in the long run, but they are still creating health-impacting smoke, often hitting populations least protected from exposure to smoke.

To find consensus on how to deal with the impacts of all fires on dry Western forests, the University of Washington and The Nature Conservancy led a series of conversations involving roughly 60 experts charged with keeping forests and people healthy. The Science for Nature and People Partnership led the organization of these discussions.

On May 2, more than two dozen of those participants published a paper in the journal Current Environmental Health Reports that is part review of current scientific understanding of the issues and health impacts and part consensus report on how to deal with them.

It started as a conversation between experts who think about fire from really different angles in order to find how we can address fire through an interdisciplinary lens, said lead author Savannah DEvelyn, a postdoctoral fellow in UWs Department of Environmental & Occupational Health Sciences. It took a little bit to get to the fact that it was really smoke that brought us all together. We kind of had to set a baseline for what peoples starting points were all smoke is bad smoke from a public health perspective, but we cant do fire management without more fire.

That working group comprised of scientists, practitioners and managers who specialize in areas of forest and fire ecology, fire safety, air quality, health care and public health agreed on six statements and recommendations as part of its interdisciplinary approach to the issues.

The Nature Conservancy is dedicated to an evidence-based approach to forest and fire management practices that supports the health of both nature and people. These consensus statements aim to serve as guideposts for forest health and public health professionals to work together to promote healthy and resilient forests and communities, said Ryan Haugo, co-author and director of conservation science for The Nature Conservancy in Oregon.

A 2019 prescribed fire in the Deschutes National Forest in Central Oregon.Mitch Maxson/The Nature Conservancy

The first consensus statement addresses the issue of the long-running effort to suppress all forest fires versus the historic practices of Indigenous peoples:

We recognize the need to listen to and integrate a diversity of perspectives, in particular those embodied by Indigenous peoples who have successfully used fire as an ecological tool for thousands of years, the authors wrote.

Ive often heard from Tribal leaders how controlled burns were one of many tools they employed historically to steward healthy ecosystems, said Gillian Mittelstaedt, co-author and executive director of the Tribal Healthy HomesNetwork. This Tribal knowledge has been overlooked, perilously, during decades of European colonization, and federal land management practices. It is only in recent years, as forest ecosystems decline in health, that Western science has begun to recognize and learn from the innate sensibility and sustainability of traditional Tribal burning practices.

Here are the other five consensus statements:

In their conclusion, the authors point out that when all stakeholders work together to combat this climate and public health crisis, communities will be more able to meet these goals, both during and outside of wildfire season.

Extra attention must be given to people who have more smoke exposure, are more likely to experience health problems from smoke, and who dont have enough support to anticipate, adapt, respond or recover from smoke, addedDr. June Spector, senior author and associate professor of environmental and occupational health sciences in the UW School of Public Health. These disproportionately affected populations must be included in decision-making to address inequities in smoke health impacts.

DEvelyn hopes the paper will inspire more interagency and cross-disciplinary efforts and funding for research and preparation.

There are really wonderful community organizations working to make sure that people have access to clean air. And, there are really wonderful organizations working to do as much prescribed burning as theyre allowed to lessen the smoke or lessen the severity of wildfires when they come through, DEvelyn said. But there are gaps where communities, organizations and researchers could be collaborating to have an even bigger impact on preparedness.

A 2019 prescribed fire in the Deschutes National Forest in Central Oregon.Mitch Maxson/The Nature Conservancy

Other co-authors are Jihoon Jung, Ernesto Alvarado, Jill Baumgartner, PeteCaligiuri, R. Keala Hagmann, Sarah Henderson, Paul Hessburg, Sean Hopkins, Edward Kasner, Meg Krawchuk, Jennifer Krenz, Jamie Lydersen, Miriam E. Marlier, Yuta J. Masuda, Kerry Metlen, Susan Prichard, Claire Schollaert, Edward Smith, Jens Stevens, Christopher Tessum, Carolyn Reeb-Whitaker, Joseph Wilkins, Nicholas Wolff, Leah Wood.

For author affiliations, please see the publication.

This research was funded by Science for Nature and People Partnerships, The Nature Conservancy and CDCs National Institute for Occupational Safety and Health.

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For more information, contact DEvelyn at sdevelyn@uw.edu.

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Consensus approach proposed to protect human health from intentional and wild forest fires - University of Washington