How to read this. Each card names the source, the year, and the study type. The research here is educational and common sense advice backed by science. Talk to a qualified clinician about your own health.
In a large English survey, nature contact was associated with self-reported good health and wellbeing.
Limitation: An association in one survey. It does not prove that 120 minutes causes better health for every person.
Read the source →A meta-analysis synthesized research linking greater greenspace exposure with several health outcomes.
Limitation: Included studies vary in design, exposure measurement, and population. The review does not establish one universal effect size.
Read the source →Reviews pathways through which nature contact may support mental health, including stress reduction, social connection, and physical activity.
Limitation: A framework and review, not a clinical prescription or a quantified treatment outcome.
Read the source →Reviews evidence that feeling connected to nature is related to subjective wellbeing and may inform wellbeing interventions.
Limitation: The reviewed literature includes varied measures and many non-causal studies.
Read the source →Examines research on physical activity in natural environments and potential mental and physical-health outcomes.
Limitation: An older review. It does not support a generic 10 to 15 percent mood-improvement promise.
Read the source →Examines the relationship among green self-image, pro-environmental values, social norms, and subjective wellbeing.
Limitation: The study concerns relationships among measured variables. It does not demonstrate a 12 percent life-satisfaction increase.
Read the source →Argues that psychology can help explain and support collective action toward ecosystem conservation.
Limitation: It is not evidence of a workplace-productivity gain and must never be cited that way.
Read the source →Maps research on required and voluntary employee green behavior across organizational, team, leader, and employee levels.
Limitation: A review and agenda. It does not report a 15 to 20 percent satisfaction effect.
Read the source →A leader and employee study found relationships among environmental leadership, passion, and workplace pro-environmental behavior.
Limitation: It does not establish a 20 percent engagement increase.
Read the source →Examines how individual differences, leader behavior, and coworker advocacy relate to voluntary workplace green behavior.
Limitation: It is not evidence of a 15 percent team-performance effect.
Read the source →Develops and tests a measure of workplace pro-environmental behavior and examines its determinants.
Limitation: It does not establish a 22 percent workplace-action effect.
Read the source →A nationally representative cohort analysis examined associations between blood lead levels and mortality in US adults.
Limitation: Observational evidence informs public-health concern but does not diagnose individual exposure or health outcomes.
Read the source →Synthesizes the global public-health burden of air, water, soil, and occupational pollution.
Limitation: A global commission report. It is not a personal risk calculator or product-level claim.
Read the source →Reviews evidence and offers clinical follow-up guidance for PFAS exposure.
Limitation: Clinical decisions belong with qualified clinicians. This page provides education, not diagnosis or testing advice.
Read the source →Last reviewed 2026-09-06
