Table 1.

Journal database search terms utilized in identifying studies.

Database	Search terms
PubMed (n=1642)	“Environmental Pollution”[Mesh] OR Pollut*[tw] OR ((Environment*[tw] OR water[tw] OR Hazardous[tw]) AND (waste[tw] OR radioactive*[tw] OR radiation[tw]))
	AND
	“Depression”[Mesh] OR “Depression”[tiab] OR “Depressions”[tiab] OR “Depressive”[tiab] OR “Anxiety”[Mesh] OR
	“Anxiety”[tiab] OR “Catastrophization”[tiab] OR “Hypervigilance”[tiab] OR “Suicide”[Mesh] OR “Suicide”[tiab] OR
	“Internalizing”[tiab] OR “externalizing”[tiab]
	AND
	“cohort studies”[mesh] OR “case-control studies”[mesh] OR “comparative study”[pt] OR “risk factors”[mesh] OR
	“cohort”[tw] OR “compared”[tw] OR “groups”[tw] OR “case control”[tw] OR “multivariate”[tw] OR “Epidemiologic
	Research Design”[Mesh] OR “Epidemiologic Study Characteristics as Topic”[Mesh] OR
	“Depression/epidemiology”[Mesh] OR “Anxiety/epidemiology”[Mesh]
	NOT
	(“invertebrates”[Mesh] OR “Rodentia”[Mesh])
	Filters: date to Dec. 31, 2018
Embase (n=1532)	‘pollution and pollution related phenomena’/exp OR ‘pollut*’:ab,ti OR ((‘environment*’ OR ‘water’ OR ‘hazardous’) AND (‘waste’ OR ‘radioactive*’ OR ‘radiation’))
	AND
	‘depression’/exp OR ‘depression’:ab,ti OR ‘depressions’:ab,ti OR ‘depressive’:ab,ti
	OR ‘anxiety’/exp OR ‘anxiety disorder’/exp OR ‘anxiety’:ab,ti OR ‘catastrophization’:ab,ti OR ‘hypervigilance’:ab,ti
	OR ‘suicide’/exp OR ‘suicidal behavior’/exp OR ‘suicide’:ab,ti OR ‘internalizing’:ab,ti OR ‘externalizing’:ab,ti
	AND
	‘clinical article’/exp OR ‘controlled study’/exp OR ‘major clinical study’/exp OR ‘prospective study’/exp OR ‘cohort analysis’/exp OR ‘cohort’:ab,ti OR ‘compared’:ab,ti OR ‘groups’:ab,ti OR ‘case control’:ab,ti OR ‘multivariate’:ab,ti
	AND
	(1952:py OR 1958:py OR 1959:py OR 1960:py OR 1961:py OR 1962:py OR 1963:py OR 1964:py OR 1965:py OR 1966:py OR 1967:py OR 1969:py OR 1970:py OR 1971:py OR 1972:py OR 1973:py OR 1974:py OR 1975:py OR 1976:py OR 1977:py OR 1978:py OR 1979:py OR 1980:py OR 1981:py OR 1982:py OR 1983:py OR 1984:py OR 1985:py OR 1986:py OR 1987:py OR 1988:py OR 1989:py OR 1990:py OR 1991:py OR 1992:py OR 1993:py OR 1994:py OR 1995:py OR 1996:py OR 1997:py OR 1998:py OR 1999:py OR 2000:py OR 2001:py OR 2002:py OR 2003:py OR 2004:py OR 2005:py OR 2006:py OR 2007:py OR 2008:py OR 2009:py OR 2010:py OR 2011:py OR 2012:py OR 2013:py OR 2014:py OR 2015:py OR 2016:py)
Web of Science (n=10,145)	TS=(Environmental pollution OR Pollut* OR air pollution OR water pollution OR pesticide* OR environmental exposure* OR environmental monitoring OR radiation OR noise OR waste water OR wastewater OR toxi* OR metal* OR pesticide* OR particle* OR particulate*)
	OR
	TS=((Environment* OR water OR Hazardous OR industrial OR solid OR radioactive) SAME (waste OR radioa ctive* OR radiation))
	AND
	TS=(depression OR depressions OR depressive OR anxiety OR catastrophization OR hypervigilance OR hypervigilant OR suicid* OR internalizing OR externalizing)
	AND
	TS=((cohort NEAR/1 studies) OR (case NEAR/1 control) OR (comparative NEAR/1 study) OR (risk NEAR/1 factors) OR cohort OR compared OR groups OR multivariate OR (cross NEAR/1 sectional))
	Filters: date 1900 – 2018
PsychINFO (n=1004)	DE “Hazardous Materials” OR DE “Insecticides” OR DE “Teratogens” OR DE “Toxins” OR DE “Toxic Disorders” OR DE “Acute Alcoholic Intoxication” OR DE “Carbon Monoxide Poisoning” OR DE “Drug Induced Congenital Disorders” OR DE “Lead Poisoning” OR DE “Mercury Poisoning” OR DE “Narcosis” OR DE “Neuroleptic Malignant Syndrome” OR DE “Thyrotoxicosis” OR DE “Toxic Encephalopathies” OR DE “Toxic Hepatitis” OR DE “Toxic Psychoses” OR DE “Pollution” OR DE “Passive Smoking” OR DE “Prenatal Exposure” OR DE “Noise Effects”
	OR
	TX (pollut* OR ((Environment* OR water OR Hazardous) AND (waste OR radioactive* OR radiation)))
	AND
	DE “Major Depression” OR DE “Anaclitic Depression” OR DE “Dysthymic Disorder” OR DE “Endogenous Depression” OR DE “Late Life Depression” OR DE “Postpartum Depression” OR DE “Reactive Depression” OR DE “Recurrent Depression” OR DE “Treatment Resistant Depression” OR DE “Atypical Depression” OR DE “Bipolar Disorder” OR DE “Cyclothymic Personality” OR DE “Depression (Emotion)” OR DE “Euthymia” OR DE “Neurosis” OR DE “Childhood Neurosis” OR DE “Experimental Neurosis” OR DE “Occupational Neurosis” OR DE “Traumatic Neurosis” OR DE “Pseudodementia” OR DE “Seasonal Affective Disorder” OR DE “Anxiety” OR DE “Computer Anxiety” OR DE “Mathematics Anxiety” OR DE “Performance Anxiety” OR DE “Social Anxiety” OR DE “Speech Anxiety” OR DE “Test Anxiety” OR DE “Anxiety Disorders” OR DE “Acute Stress Disorder” OR DE “Castration Anxiety” OR DE “Death Anxiety” OR DE “Generalized Anxiety Disorder” OR DE “Obsessive Compulsive Disorder” OR DE “Panic Disorder” OR DE “Phobias” OR DE “Post-Traumatic Stress” OR DE “Posttraumatic Stress Disorder” OR DE “Separation Anxiety Disorder” OR DE “Anxiety Management” OR DE “Generalized Anxiety Disorder” OR DE “Panic” OR DE “Panic Attack” OR DE “Panic Disorder” OR DE “Externalization” OR DE “Internalization” OR DE “Introjection” OR DE “Suicide” OR DE “Assisted Suicide” OR DE “Attempted Suicide” OR DE “Suicidal Ideation”
	OR
	TX (depression OR depressions OR Depressive OR anxiety OR catastrophization OR hypervigilance OR suicide OR internalizing OR externalizing)
	AND
	TX (“case control” OR “comparative study” OR “comparative studies” OR “risk factor” OR “risk factors” OR cohort OR compared OR groups OR multivariate)
	Filters: publication year 1936–2018