The preventative approach

Mental health literacy as a workplace sustainability strategy

Sunny Noelle Naughton

As organizations continue to expand their definition of sustainability, there is growing recognition that long-term success depends not only on environmental and financial health, but also on the well-being of people. One emerging and actionable approach within this broader framework is mental health literacy (MHL) — the knowledge, skills and confidence needed to recognize, understand and respond to mental health challenges.

Workplace mental health is often addressed reactively through benefits packages or crisis response protocols. While these supports are essential, they are only part of the picture. According to the World Health Organization, depression and anxiety cost the global economy an estimated $1 trillion each year in lost productivity.

In the U.S., the Centers for Disease Control and Prevention reports that mental health conditions are a leading cause of absenteeism and reduced workplace performance. A sustainable workplace culture requires a proactive, preventative approach. One that equips employees at all levels to engage in everyday conversations that support mental well-being before challenges escalate.

Mental health literacy offers a practical pathway forward. Rather than positioning mental health as the responsibility of HR or leadership alone, MHL embeds shared responsibility across an organization. Employees learn how to recognize early signs of stress or distress, engage in supportive conversations and connect colleagues to appropriate resources when needed. This approach mirrors other sustainability efforts: small, consistent actions taken across a system to create meaningful, long-term impact.

The business case for this shift is clear.

Research shows that for every $1 invested in mental health treatment, there is a $4 return in improved health and productivity (World Health Organization). At the same time, employee expectations are shifting. A 2023 report from Deloitte found that nearly 60% of employees consider mental health support a key factor when choosing an employer. Organizations that invest in these areas are more likely to retain talent, foster innovation and build resilient teams.

Importantly, mental health literacy is not about turning employees into clinicians. It is about building a shared language and set of skills that normalize conversations around mental health and reduce stigma. Data from the National Alliance on Mental Illness indicates that, while 1 in 5 U.S. adults experience mental illness each year, many do not seek support due to stigma or lack of awareness.

When individuals feel more comfortable checking in with one another, whether a colleague seems overwhelmed, disengaged or simply “not themselves,” they help create an environment where support is accessible and early intervention is possible.

Implementation can take many forms, from integrating MHL into existing professional development to offering standalone trainings or workshops. Some organizations are adopting frameworks that emphasize four core actions: recognizing signs of mental health challenges, engaging in supportive dialogue, reducing stigma and supporting individuals in accessing help. These models are adaptable across industries and can be scaled based on organizational size and capacity.

For workplaces already investing in diversity, equity, inclusion and belonging (DEIB) initiatives, mental health literacy can serve as a natural extension. Mental health experiences are shaped by identity, culture and access to resources. By increasing awareness and building inclusive communication practices, organizations can better support employees from diverse backgrounds while strengthening overall workplace culture.

As the conversation around sustainability evolves, so too must the strategies organizations use to support their people. Mental health literacy is a low-cost, high-impact initiative that aligns with broader goals around employee well-being, organizational resilience and social responsibility.

By embedding these skills into the fabric of daily work life, businesses can move beyond reactive models and toward a more sustainable, human-centered future.

To learn more about mental health resources for employees, join the NHBSR webinar “Tending to the Whole Employee,” by Sunny Noelle Naughton on May 19. Sign up here: https://lp.constantcontactpages.com/sv/OT8fsTq.

Sunny Noelle Naughton is a nonclinical psychology and communications strategist and founder of Sunshine Silver Lining, a consultancy firm focused on mental health literacy, leadership and storytelling. She works with organizations across sectors to build practical, sustainable approaches to workplace well-being. New Hampshire Businesses for Social Responsibility produces “Sustainability Spotlight” monthly for NH Business Review.