The Missing Mental Health Link to Climate Change and Migration
Introduction
Climate change has emerged as one of the largest threats to global health, jeopardizing many crucial components of health through the degradation of natural resources and habitats and inducing a higher frequency of extreme weather events (1). This has raised the important question of how to respond to these threats. The threats to physical health caused by climate change are well-documented (2). However, climate change also raises potential challenges to mental health (3). One of the most prominent climate consequences which may raise such mental health challenges on a large scale is climate-induced migration, which will likely damage social networks that are a central component of mental well-being (4). Mental health concerns should be addressed in research and policy that go alongside climate-induced migration and the overall adaptation to climate change.
Why Focus on Mental Health?
In addition to the physical health threats posed by climate change, there are a myriad of mental health challenges that result from climate change and its consequences. The most prevalent of these challenges arise in response to extreme weather events, including post-traumatic stress disorder and major depressive disorder, among others (2). Additionally, further consequences arise from a threat to habitation and agriculture that results from changes, such as rising sea levels and temperatures (2).
Researchers have identified several ways in which climate-induced migration catalyses outcomes that exacerbate the mental health strain of climate change. Primarily, the inherent displacement of people disrupts social networks (5,6), jeopardizing a crucial component of mental well-being and introducing risk factors for depression and anxiety (4,5). Additionally, the migration and separation of members of a family or community can decrease a sense of community and the support which that entails (5,7,8), as well as incite a loss of identity and uncertainty and concern for the future (4). These resultant impacts have the potential to place great strain on the mental well-being of the individuals involved (5), posing a large-scale threat to mental health.
Addressing these challenges is crucial because mental well-being is a vital component of overall well-being (3). An environment that is toxic to mental health poses a great threat to health on a large scale (5). However, this aspect of health has been largely overlooked to date when considering the impacts of climate change (3,7). As such, research into and policymaking towards the promotion of mental health in the context of climate change and climate-induced migration seems necessary in order to mitigate these forces and their potential effects.
What are the Potential Challenges?
While mental health should get addressed alongside these pressing issues of climate change migration/adaptation, doing so will come with significant challenges. While many challenges may arise two in particular stand out as prescient to the current debate: the difficulty of attributing causality of adverse outcomes back to climate change in research and the shortcoming in adaptation for the challenges to come. In order to understand how to make progress, these challenges must be acknowledged and understood.
Even though the mental health implications of climate will be staggering, attributing causality of individual-level consequences to climate change can become difficult (3). Climate change (and climate-induced migration) is invariably a process that plays out over a long period of time. Its impacts are often felt much later than they are caused (9), and its impacts on mental health are no different in that regard (3). It is difficult to determine the chain of causality of the effects climate change has, in part because some of these effects remain to be seen (3,4). Researchers tend to look at the direct mental health impact of isolated events that could be exacerbated by climate change rather than the holistic threat climate change may cause to mental health (6,3). Tools for measuring the impact of climate change on mental health will need to be improved moving forward to get a fuller understanding of the problem.
The other relevant challenge will be how mental health gets folded into adaptation plans; strategies of mobility and adaptation will be important to the future climate change response (10,6). However, preparedness to address an issue can lag behind a mere understanding of the issue, as evidenced by population changes in the early 2010s (11). So, even if people acknowledge that mental health concerns are part of the system of issues that must get addressed (4), additional work will need to be done to carry out meaningful steps in the right direction.
Is Mental Health Currently Being Incorporated?
In recent research, climate change, migration, and mental health have been adequately linked to one another. The understanding that they all exist as part of the same system remains prescient (7,4) and calls to amplify such an understanding through future research abound (3,4,8). However, there is work to be done for both researchers and policymakers. Even though the cries for international policymakers to address the mental health implications of climate change span more than a decade (12), some present-day policy proposals hardly link these issues together at all. The 2018 Compact on Safe and Orderly Migration, the first international effort to address climate-related migration (13), addresses it only indirectly, saying they want to keep an eye on adaptation measures and challenges that will come from climate related migration (14). The outline for Working Group II’s contributions to the next report from the Intergovernmental Panel on Climate Change (IPCC) makes no direct mention of mental health, despite hundreds of pages of work related to climate change adaptation (15). This astonishing gap calls for continued efforts to not only ensure that this issue continues getting the research focus it deserves, but also that the research findings get woven into policy sooner rather than later, ensuring that, to the best extent possible, those that need treatment for mental health conditions can access it.
Conclusion: What can we do?
The process of meaningfully improving the issue at hand will be multifaceted and take time. However, young public health professionals can still do a great deal. Efforts must start by raising awareness and holding accountable those who are responsible for averting the worst that climate change might bring.
Raising awareness amongst our own networks and engaging with our friends and colleagues amplify this pressure while building the political will necessary to tackle this issue. Here are some ways you can engage with the issues surrounding mental health and climate change:
Recommendations
Stay informed.
Change will start when a critical mass become informed about progress toward addressing climate change and the relevant issues surrounding it. The IPCC, one of the international bodies designated by the UN to tackle climate change, has an extensive website where they detail not only the policies that they are taking up but also how young academics can continue to support their efforts (16). Understanding these challenges is the first step toward advocating for mental health to be in the important international discussions regarding climate-related migration.
Make your voice heard.
This set of challenges will be unlike any other, and we ought to have a plan to confront it. Adaptation assessments like Climate Change and Health Vulnerability and Adaptation Assessments (CCHVAAs) can help countries understand what opportunities and resources they have to address climate change and what the concerns will be moving forward (5,3). Public support could be critical to ensuring that these plans are developed and followed in each country. Passionate citizens should be encouraged to get in touch with their political representatives about this issue where possible and encourage others to do the same.
This article was written by Nathan Ruhde and Ryan Ruhde.
Nathan's LinkedIn and Ryan's Twitter
Nathan studies International Studies (with a concentration in Global Health in the Middle East and North Africa) and Economics at Case Western Reserve University in Cleveland, USA. He is a Co-Regional Manager at the CoronaNet Research Project, overseeing the collection of data regarding government responses to the COVID-19 pandemic.
Ryan Ruhde studies psychology and music performance as a pre-med student at Emory University in Atlanta, USA. He is the Editorial Director for Diamond Digest, an online baseball publication.
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