Disproportionate Impacts of Oil and Gas Extraction on Already
“Disadvantaged” California Communities: How State Data Reveals
Underlying Environmental Injustice
Abstract
The consensus is that global warming must be limited to 1.5°C to prevent
profound environmental harms, and to do so will require reaching net
zero CO2 emissions globally by 2050. This sets the imperative to rapidly
phase out fossil fuel production and use, since continued fossil fuel
use is inconsistent with emissions reduction goals. Meanwhile, it has
been found that living in close proximity to fossil fuel infrastructure
can have adverse impacts on human and environmental health, with these
impacts often falling disproportionately on low-income and communities
of color. Such environmental injustice further sets the imperative for
fossil fuel phase out. California serves as an example: based on data
from the CA Division of Oil, Gas, and Geothermal Resources, from 2011
through 2018, 77% of the permits for oil and gas wells issued in
California were in communities with a higher-than-average percentage of
residents living in poverty and/or communities with a majority non-white
population. In analyzing data from the South Coast Air Quality
Management District, it was found that the use of air toxics, or
chemicals known to cause serious health effects in humans, occurs
regularly at oil and gas drilling sites, with tens of thousands of tons
of such chemicals used in Los Angeles County alone over a four year
period. Finally, using CalEnviroscreen data, it was found that the
heaviest air toxics usage occurred in communities already considered
“disadvantaged” by the California Environmental Protection Agency.
Such communities are generally prone to poorer health outcomes and less
economic opportunity. Specifically, of the 15 zip codes in which oil
companies used the most air toxic chemicals in Los Angeles County, 11 of
them were labeled as disadvantaged. It is proposed that, in order to
alleviate the environmental justice concerns around oil and gas
extraction, low-income communities and communities of color be
prioritized in enacting measures to phase out fossil fuel extraction and
use. For example, a key policy recommendation is enacting a health and
safety setback buffer of no less than half a mile protecting homes,
schools, and other sensitive sites within which existing wells are shut
down first.