Scientists say climate change is drastically impacting California’s air quality – CBS News

Report on the Escalating Air Quality Crisis and its Impact on Sustainable Development Goals

Introduction: Climate Change as a Driver of Air Pollution

A new era of air pollution, intensified by climate change, is presenting significant challenges to global public health and sustainable development. This report analyzes the multifaceted crisis, linking it directly to the United Nations’ Sustainable Development Goals (SDGs).

• Climate change is fueling new pollution sources, including toxic urban wildfires and heat-driven ozone.
• These phenomena directly undermine progress on SDG 3 (Good Health and Well-being), SDG 11 (Sustainable Cities and Communities), and SDG 13 (Climate Action).
• The transport of smoke across continents highlights the transboundary nature of the issue.

SDG 13 (Climate Action): The Nexus of Climate and Air Quality

Failure to take urgent climate action has resulted in atmospheric conditions that worsen air quality through several mechanisms.

1. Climate-Fueled Wildfires: Urban wildfires release a highly toxic mix of pollutants from incinerated building materials, plastics, e-waste, and lead-based paints. These carcinogens are significantly more dangerous than those from forest fires.
2. Extreme Heat Events: High-pressure heat domes trap pollutants and accelerate the chemical reactions that form ground-level ozone, the main component of smog. This leads to a higher frequency of days with unhealthy air quality.

SDG 3 (Good Health and Well-being): Severe Public Health Consequences

The degradation of air quality poses a direct and severe threat to human health, with air pollution causing more global deaths annually than smoking.

• Inhalation of toxicants from urban fires is linked to high-level, cancer-causing agents.
• An average adult breathes approximately 30,000 times per day, making constant exposure to polluted air a critical health risk.
• Protecting public health requires heightened awareness and proactive measures to ensure clean air inside homes and outdoors.

SDG 11 (Sustainable Cities and Communities): Urban Challenges and Pathways to Sustainability

Cities are both major contributors to and primary victims of the air quality crisis. Achieving sustainable urban development is essential for mitigation.

1. Transportation Emissions: In major urban centers like Los Angeles, personal vehicle use is the single largest contributor to air pollution.
2. Urban Planning Solutions: The development of walkable communities and robust public transit systems is a critical strategy to reduce transportation-related emissions and improve urban air quality.
3. Hyperlocal Pollution: Air quality can vary dramatically by city block, with freeway-adjacent neighborhoods registering pollution levels 10 to 15 points higher than nearby areas.

SDG 10 (Reduced Inequalities): The Unequal Burden of Pollution

The impacts of poor air quality are not distributed evenly, disproportionately affecting marginalized and vulnerable populations.

• Marginalized communities often have fewer air quality monitoring sensors, creating data gaps and hindering public awareness and protective action.
• This lack of monitoring infrastructure constitutes a form of environmental injustice, leaving vulnerable populations exposed to unknown risks.

Conclusion and Recommendations for Action

Addressing the air quality crisis requires integrated strategies that advance multiple SDGs simultaneously. Key actions include:

1. Strengthening air quality regulations and resisting efforts to lower environmental protection standards.
2. Investing in equitable air quality monitoring networks, particularly in underserved communities, to close data gaps (SDG 10).
3. Promoting sustainable urban planning and transportation to reduce emissions at the source (SDG 11).
4. Increasing public awareness campaigns to inform citizens about daily air quality risks and protective measures (SDG 3).

Analysis of Sustainable Development Goals in the Article

1. Which SDGs are addressed or connected to the issues highlighted in the article?

   The article highlights issues that are directly connected to several Sustainable Development Goals. The analysis identifies the following SDGs as most relevant:

   • SDG 3: Good Health and Well-being: The core theme of the article is the detrimental effect of air pollution on human health. It explicitly mentions that pollutants from urban wildfires are “cancer-causing on the highest level” and that poor air quality leads to “more days when the air is unhealthy to breathe.” The article culminates by stating, “Air pollution kills more people globally each year than smoking, and thousands of those deaths are in California.”
   • SDG 11: Sustainable Cities and Communities: The article is centered on the city of Los Angeles and discusses urban-specific problems. It addresses the environmental impact of cities through “toxic urban wildfires” burning homes and businesses, high pollution in “freeway-adjacent neighborhoods,” and the lack of monitoring sensors in “marginalized areas.” It also proposes urban planning solutions, such as developing “communities that are truly walkable” to reduce reliance on personal vehicles, the “biggest contributor to air pollution.”
   • SDG 13: Climate Action: The article repeatedly establishes a direct link between climate change and worsening air quality. It states that “climate change is fueling a new kind of pollution” and that “this new era it is definitely driven by climate change.” It identifies climate-related hazards such as increased wildfires and “extreme heat and high-pressure domes” that trap pollution and supercharge ground-level ozone.

2. What specific targets under those SDGs can be identified based on the article’s content?

   Based on the specific issues discussed, the following targets can be identified:

   • Target 3.9: By 2030, substantially reduce the number of deaths and illnesses from hazardous chemicals and air, water and soil pollution and contamination. The article’s focus on “high-level toxicants” and “carcinogens” released from burning building materials, e-waste, and plastics directly relates to this target. The statement about thousands of deaths in California from air pollution underscores its relevance.
   • Target 11.6: By 2030, reduce the adverse per capita environmental impact of cities, including by paying special attention to air quality. The entire article is an examination of this target, detailing how Los Angeles is the “smoggiest city in the U.S.” and how its air quality is being degraded by smog, ozone, and smoke from urban wildfires.
   • Target 11.2: By 2030, provide access to safe, affordable, accessible and sustainable transport systems for all. The article identifies transportation as a key problem, stating, “The biggest contributor to air pollution and transportation is the choice that we make to use our personal vehicles.” The suggestion for city planners to “build communities that are truly walkable” is a direct call for action related to this target.
   • Target 13.1: Strengthen resilience and adaptive capacity to climate-related hazards and natural disasters in all countries. The article discusses the need to adapt to climate-related hazards like “toxic urban wildfires” and “heat domes,” which are becoming “more common and more intense” due to climate change.

3. Are there any indicators mentioned or implied in the article that can be used to measure progress towards the identified targets?

   The article mentions or implies several indicators that can be used to measure progress:

   • For Target 3.9: The article provides a direct, though not formally coded, indicator: the number of deaths attributable to air pollution. The text states, “Air pollution kills more people globally each year than smoking, and thousands of those deaths are in California.” This aligns with Indicator 3.9.1: Mortality rate attributed to household and ambient air pollution.
   • For Target 11.6: The article implies the use of air quality measurements. It mentions that “freeway-adjacent neighborhoods often register pollution levels 10 to 15 points higher,” which suggests a quantifiable metric like an Air Quality Index (AQI). The advice to “check the air quality before you head outside” also points to the public availability and use of such data. This relates to Indicator 11.6.2: Annual mean levels of fine particulate matter (e.g. PM2.5 and PM10) in cities.
   • For Target 11.2: An implied indicator is the modal share of transportation. The article identifies the “use of our personal vehicles” as the primary problem, implying that a reduction in this mode of transport in favor of walking or other sustainable options would be a measure of success.
   • For Target 13.1: The article implies indicators related to the frequency and impact of climate-related hazards. It notes that climate change is making events like wildfires and heat domes “more common and more intense.” Therefore, tracking the frequency of “unhealthy” air quality days due to these events would serve as a relevant indicator of resilience and adaptive capacity.

Summary of SDGs, Targets, and Indicators

Source: cbsnews.com