New evidence suggests California's environmental policies preferentially protect whites
Systemic racism could explain why minorities are exposed to more
pollution throughout the state

Date:
April 7, 2022
Source:
University of California - San Diego
Summary:
Asian and Hispanic communities experience significantly more
air pollution from economic activity compared to predominantly
white neighborhoods across the state of California, according to
new research.



FULL STORY ========================================================================== Asian and Hispanic communities experience significantly more air pollution
from economic activity compared to predominantly white neighborhoods
across the state of California, according to new research from the
University of California San Diego's School of Global Policy and Strategy.


==========================================================================
The study published in the journal Nature Sustainability suggests
California's environmental regulations as a whole preferentially
protect white, non-Hispanic people within the state from exposure to
air pollution.

The study focused on 2020 when the state issued shelter-in-place
orders in response to COVID-19. The researchers compared patterns of
air pollution both before and during the shutdown, using data from
public and privately-owned air monitor networks, along with satellite measurements of the pollutant gas nitrogen dioxide. After considering
various factors, even how much communities were sheltering-in-place, the researchers found that during the period when the "in-person" economy
was shut down, neighborhoods with high Asian and Hispanic populations experienced disproportionately large declines in air pollution.

That means the inverse is true when it's business as usual.

They also found that Black communities didn't see a similar
disproportionate benefit in air quality during the shutdown. Black
California residents were exposed to higher levels of pollution compared
to whites during the shutdowns when only essential businesses were
operating. The same was true after COVID-19 restrictions lifted. This
suggests power plants, electricity generators and other emission sources
that were not curtailed during the shelter-in-place orders are regularly exposing these populations to dirtier air.

The paper also finds low-income communities are consistently exposed
to more pollution when the economy is fully functioning and that
these neighborhoods also saw disproportionately cleaner air during
the shutdown. However, when the researchers accounted for income in
their analysis, it didn't explain the findings of higher air pollution exposures for Asian, Hispanic communities throughout the state.

"Income only explains about 15 percent of the disproportionate decrease
in air pollution experienced by Asian and Hispanic communities during
the shutdown," said Jennifer Burney, the Marshall Saunders Chancellor's
Endowed Chair in Global Climate Policy and Research at the School of
Global Policy and Strategy.

"This may be surprising to many because people tend to conflate income
and race, both because systemic discrimination is a hard thing to face
and because we have accepted that we live in a world where individuals can 'buy' cleaner air through higher housing prices in less polluted areas."
Burney added, "the COVID shutdown gave us a window into what pollution
patterns look like when most of the economy is turned off and it showed
that though there is some small overlap, income does not explain the
racial and ethnic bias in how our economy creates and distributes
pollution."


========================================================================== Burney and the research team take this as evidence of an environmental
policy failure. In California, all emissions are subject to regulation -
- transportation, energy, construction and other industries have to meet
strict environmental standards.

"One would think that in a state with strong environmental policies, where
we track what is being emitted where, that our regulatory system might
do a good job of protecting everyone equally," Burney said. "But this is
really strong evidence of systemic bias. Pollution sources from everything
that was shut down, transportation, businesses, restaurants, etc. all
add up during business- as-usual conditions. Thus, the total system
is tipped, exposing racial and ethnic minorities to more pollution."
The health impacts of poor air quality are far-reaching. Unhealthy air
is linked to higher rates of infant mortality and adult mortality as
well as respiratory and cardiovascular illnesses.

Policy recommendations to address systemic environmental racism While
the study is limited to the state of California, the researchers believe
that the disparity in air quality between ethnicities most likely applies
to other states. The paper includes various policy recommendations. For example, the largest pollution source affected by the pandemic's slowdown
was transportation, so policies that affect transportation emissions could
have important impacts for California's underrepresented communities.



========================================================================== Additionally, given that air pollution disparities experienced by racial
and ethnic minorities are not explained by income, it means environmental strategies based on income alone could not be expected to achieve strong
racial and ethnic equity. This suggests that different metrics should be incorporated when evaluating environmental regulations to meet average environmental standards and promote equity.

"There is no clear, quantitative equity criterion applied in regulatory analysis to safeguard against environmental racism," said co-author
Katharine Ricke, an assistant professor at the School of Global Policy
and Strategy and Scripps Institution of Oceanography. "For example, if an industry wants to build a factory, they have to complete an environmental assessment report, but that report isn't required to include a set of
metrics to demonstrate how different demographic groups nearby would
be affected. If industries had to run atmospheric models to show that
the proposed facility is not going to disproportionately affect minority neighborhoods nearby, that could instigate a significant shift in making environmental regulation more equitable." The authors also suggest
including communities in the planning process when there are proposed
changes to their surrounding environment that could impact air quality.

"This is not new, but procedural justice is also critical," said co-author Pascal Polonik, a Ph.D. candidate at Scripps Oceanography. "Communities
need to be engaged in meaningful ways to ensure that everyone has access
to what should be a democratic process." Polonik added that "by improving access to information, such as data from the crowd-sourced sensors that
were utilized in the study, could help communities be part of informed decision-making. Unfortunately, these sensors tend to be located in
the places least likely to be impacted by unjust pollution exposure."
Other paper authors include Richard Bluhm, assistant professor at
Leibniz University Hannover and fellow in the Department of Political
Science at UC San Diego; Kyle S. Hemes, postdoctoral research fellow
at Stanford Woods Institute for the Environment; Luke C. Sanford,
assistant professor at Yale University's School of the Environment;
Susanne A. Benz, postdoctoral fellow at Dalhousie University; and Morgan
C. Levy, assistant professor at the School of Global Policy and Strategy
and Scripps Institution of Oceanography.


========================================================================== Story Source: Materials provided by
University_of_California_-_San_Diego. Original written by Christine
Clark. Note: Content may be edited for style and length.


========================================================================== Journal Reference:
1. Richard Bluhm, Pascal Polonik, Kyle S. Hemes, Luke C. Sanford,
Susanne A.

Benz, Morgan C. Levy, Katharine L. Ricke, Jennifer
A. Burney. Disparate air pollution reductions during California's
COVID-19 economic shutdown.

Nature Sustainability, 2022; DOI: 10.1038/s41893-022-00856-1 ==========================================================================

Link to news story: https://www.sciencedaily.com/releases/2022/04/220407141902.htm

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