Scientists make concerning discovery floating in air over Western Hemisphere: ‘Unintended consequences’ – The Cool Down

Scientists make concerning discovery floating in air over Western Hemisphere: ‘Unintended consequences’ – The Cool Down

 

Report on Airborne MCCP Detection and Implications for Sustainable Development Goals

Introduction

Recent research conducted by the University of Colorado Boulder has resulted in the first-ever detection of airborne Medium Chain Chlorinated Paraffins (MCCPs) in the Western Hemisphere. This discovery highlights significant challenges to achieving several United Nations Sustainable Development Goals (SDGs), particularly those related to health, environmental protection, and sustainable production. MCCPs are industrial chemicals used in products such as flame retardants, paints, and sealants, and their presence in the atmosphere poses previously unquantified risks.

Key Findings of the Study

The study, published in ACS Environmental Au, identified the atmospheric presence of MCCPs, a class of chemicals that replaced the now-banned Short Chain Chlorinated Paraffins (SCCPs). This substitution illustrates a common regulatory challenge where the restriction of one hazardous substance leads to its replacement by a similar, potentially harmful alternative. The detection of these chemicals in the air is a critical first step in understanding their distribution, sources, and ultimate impact on ecosystems and human populations.

Impacts on Health, Environment, and Sustainable Development

The proliferation of chemical pollutants like MCCPs directly contravenes the objectives of multiple SDGs. The known and suspected consequences are wide-ranging:

  • SDG 3: Good Health and Well-being: While research on MCCPs is ongoing, related chemicals (SCCPs) are linked to severe human health risks, including cancer and damage to the liver, kidneys, and reproductive and developmental systems. The presence of MCCPs in the air suggests a new pathway for human exposure, threatening public health.
  • SDG 14: Life Below Water: Studies show that chlorinated paraffins are toxic to aquatic life, capable of causing developmental harm or death in various species. Their atmospheric deposition into water bodies poses a direct threat to marine and freshwater ecosystems.
  • SDG 15: Life on Land: MCCPs can contaminate soil and harm terrestrial wildlife. Laboratory studies on mammals have demonstrated that exposure can lead to kidney and liver damage, indicating a clear risk to biodiversity and ecosystem health.
  • SDG 6: Clean Water and Sanitation: The research notes that MCCPs are frequently found in wastewater, from which they can leach into the ground and contaminate water supplies, compromising the safety of drinking water and the health of aquatic environments.

Regulatory Context and Future Actions

The international community is actively addressing the risks associated with these chemicals. The successful regulation of pollutants is fundamental to achieving sustainable development targets.

  1. International Regulation: MCCPs are under consideration for a global ban under the Stockholm Convention, with a decision anticipated in 2025. This action aligns directly with SDG 12: Responsible Consumption and Production, which calls for the environmentally sound management of chemicals and all wastes throughout their life cycle to minimize their adverse impacts on human health and the environment.
  2. Scientific Monitoring: The initial detection of airborne MCCPs provides the necessary impetus for further research. Scientists can now focus on quantifying the concentration of these pollutants, identifying their primary sources, and fully assessing their consequences. This work is essential for informing evidence-based policies that protect both communities and the environment, contributing to SDG 11: Sustainable Cities and Communities.

SDGs Addressed in the Article

  • SDG 3: Good Health and Well-being
  • SDG 6: Clean Water and Sanitation
  • SDG 12: Responsible Consumption and Production
  • SDG 14: Life Below Water
  • SDG 15: Life on Land
  • SDG 17: Partnerships for the Goals

Identified SDG Targets

  1. SDG 3: Good Health and Well-being

    • Target 3.9: By 2030, substantially reduce the number of deaths and illnesses from hazardous chemicals and air, water and soil pollution and contamination.

      Explanation: The article directly addresses this target by highlighting the detection of airborne Medium Chain Chlorinated Paraffins (MCCPs), a toxic chemical. It references studies on the sister chemical (SCCP) that found exposure involved “human health risks, including cancer, kidney problems, liver problems, developmental issues, and reproductive issues,” and notes that MCCPs are believed to have similar health consequences.
  2. SDG 6: Clean Water and Sanitation

    • Target 6.3: By 2030, improve water quality by reducing pollution, eliminating dumping and minimizing release of hazardous chemicals and materials, halving the proportion of untreated wastewater and substantially increasing recycling and safe reuse globally.

      Explanation: The article connects MCCP pollution to water sources, stating that the chemicals are “often found in wastewater” and can leach into the soil, “seeping into the water supply.” This directly relates to the goal of reducing water pollution from hazardous chemicals.
  3. SDG 12: Responsible Consumption and Production

    • Target 12.4: By 2020, achieve the environmentally sound management of chemicals and all wastes throughout their life cycle, in accordance with agreed international frameworks, and significantly reduce their release to air, water and soil in order to minimize their adverse impacts on human health and the environment.

      Explanation: This target is central to the article. The issue stems from MCCPs used in industrial products like “flame retardants, paints, and sealants.” The article discusses the need to manage these chemicals, their “unintended consequences,” and the international effort through the “2025 Stockholm Convention” to potentially ban them, which is a key international framework for chemical management.
  4. SDG 14: Life Below Water & SDG 15: Life on Land

    • Target 14.1: By 2025, prevent and significantly reduce marine pollution of all kinds, in particular from land-based activities, including marine debris and nutrient pollution.
    • Target 15.5: Take urgent and significant action to reduce the degradation of natural habitats, halt the loss of biodiversity and, by 2020, protect and prevent the extinction of threatened species.

      Explanation: The article mentions the negative impact of these chemicals on wildlife. It cites a study that found SCCP/MCCP pollution “could impact development or kill multiple aquatic creatures,” which is relevant to SDG 14. It also notes studies on “rats and dogs found that exposure to these chemicals could damage their kidneys and livers,” relating to the health of terrestrial animals under SDG 15.
  5. SDG 17: Partnerships for the Goals

    • Target 17.16: Enhance the global partnership for sustainable development, complemented by multi-stakeholder partnerships that mobilize and share knowledge, expertise, technology and financial resources, to support the achievement of the sustainable development goals in all countries, in particular developing countries.

      Explanation: The article explicitly mentions the “2025 Stockholm Convention,” an international agreement where the potential ban of MCCPs will be discussed. This represents a global partnership to address the shared problem of persistent organic pollutants. The research itself, conducted by the “University of Colorado Boulder and collaborators,” is also a form of partnership to share knowledge.

Implied Indicators for Measuring Progress

  1. For Target 3.9 & 12.4

    • Indicator: Presence and concentration of airborne MCCPs.

      Explanation: The article is based on the “first detection of these MCCPs in the air in the Western Hemisphere.” The scientists state the next step is to “understand the quantities, the sources, and the consequences.” Measuring the concentration of these pollutants in the air is a direct indicator of air pollution by hazardous chemicals.
  2. For Target 6.3

    • Indicator: Concentration of MCCPs in wastewater and water supplies.

      Explanation: The article implies this indicator by stating that “MCCPs are often found in wastewater” and can be a source of environmental contamination. Monitoring their levels in water bodies would be a direct measure of progress towards improving water quality.
  3. For Target 12.4 & 17.16

    • Indicator: Status of MCCPs under the Stockholm Convention.

      Explanation: The article mentions that “MCCPS are on the potential ban list of chemicals to be discussed at the 2025 Stockholm Convention.” The outcome of this convention—whether MCCPs are added to the list of banned or restricted chemicals—serves as a clear indicator of progress in the international management of hazardous chemicals.
  4. For Target 14.1 & 15.5

    • Indicator: Data from toxicological studies on the impact of MCCPs on aquatic and terrestrial wildlife.

      Explanation: The article refers to studies examining the impacts of these chemicals on “multiple aquatic creatures” and on “rats and dogs.” Continued research and data collection on these impacts serve as an indicator of the threat to biodiversity and ecosystem health.

SDGs, Targets, and Indicators Analysis

SDGs Targets Indicators Identified in the Article
SDG 3: Good Health and Well-being 3.9: Substantially reduce deaths and illnesses from hazardous chemicals and pollution. Detection and measurement of airborne MCCPs, a toxic chemical linked to severe health risks.
SDG 6: Clean Water and Sanitation 6.3: Improve water quality by reducing pollution and minimizing the release of hazardous chemicals. Presence of MCCPs in wastewater and their potential to seep into the water supply.
SDG 12: Responsible Consumption and Production 12.4: Achieve environmentally sound management of chemicals and reduce their release to air, water, and soil. The release of MCCPs from industrial products (paints, sealants) into the air; consideration of an MCCP ban under the Stockholm Convention.
SDG 14: Life Below Water 14.1: Prevent and significantly reduce marine pollution from land-based activities. Evidence from studies that MCCP pollution can harm or kill aquatic creatures.
SDG 15: Life on Land 15.5: Take urgent action to reduce the degradation of natural habitats and halt biodiversity loss. Evidence from studies that MCCP exposure can cause kidney and liver damage in animals like rats and dogs.
SDG 17: Partnerships for the Goals 17.16: Enhance the global partnership for sustainable development. The international effort to manage MCCPs through the 2025 Stockholm Convention.

Source: thecooldown.com