Nature Based Solutions (NBS) for improved public health EFUF, 2017, - - PowerPoint PPT Presentation

EFUF, 2017, Matilda van den Bosch

Urban natural environments as Nature Based Solutions (NBS) for improved public health

Scientific literature on Nature based solutions

• “Nature based solutions”: 27
• “Nature based solutions AND health: 3

Source: Sharon Lam

Systematic review of reviews

• Structured search with keywords combined with AND and OR
• Urban natural environments AND pathway AND/OR health outcome
• Predefined inclusion criteria
• PICOS
• Amstar-tool for quality appraisal

Flow chart of systematic search

351

• Total number of studies/reviews

57

• After abstract

evaluation

13

• After full

text evaluation

Path thways

Reviewed pathways

• Heat
• Noise
• Stress
• Physical activity
• Overweight
• Mood state

Not reviewed potential pathways

• Air pollution reduction
• Water quality
• Flooding prevention
• Immunocapacity
• Social cohesion
• SES health inequalities
• Food supply
• Cognitive development

Health outcomes Socio- behavioural pathways Regulatin g Ecosystem Services

positive association, weak evidence positive association, moderate to strong evidence SYMBOLS

1. All cause mortality (+) 2. CVD-mortality (++) 3. Lung cancer mortality (+/-) 4. Birth weight (+) 5. Mental health & wellbeing (+) 1. All cause mortality (+) 2. CVD-mortality (++) 3. Lung cancer mortality (+/-) 4. Birth weight (+/-) 5. Mental health & wellbeing (+) 1. All cause mortality (++) 2. CVD-mortality (++) 3. Birth weight (+) 4. Mental health & wellbeing (+) 1. All cause mortality (++) 2. CVD-mortality (++) 3. Mental health & wellbeing (+)

Heat reduction Noise reduction

1. All cause mortality (+) 2. CVD-mortality (++) 3. Birth weight (+/-) 4. Mental health & wellbeing (+) 1. All cause mortality (+/-) 2. CVD-mortality (+/-) 3. Mental health & wellbeing (+/-)

Urban nature

Increased physical activity Decreased

• verweight/
• besity

Stress reduction Improved affect

1. All cause mortality (+) 2. CVD-mortality (++) 3. Lung cancer mortality (+/-) 4. Birth weight (+/-) 5. Mental health & wellbeing (+)

No significant association proven

• r inconsistent evidence

Matilda van den Bosch & Asa Ode Sang, Accepted for publication in Environmental Research, 2017

Conclusion

• There is strong evidence for reduced cardiovascular mortality by

exposure to urban green spaces

• There is strong evidence for that this may be explained by urban

green spaces’ effects on heat and on mood

• There is low evidence for any effect on lung cancer and birth weight
• This corresponds to the low evidence for pathways which might have

explained these outcomes – stress reduction and physical activity

EFUF 20 years, Matilda and Cecil 5 years…

Health outcomes

Reviewed health

• utcomes
• Cardiovascular mortality
• All-cause mortality
• Mental health and

wellbeing

• Birth weight
• Lung cancer

Not reviewed suggested health outcomes

• ADHD
• Asthma
• Depression

Strong to moderate evidence

Pathways

• Improved mood/happiness
• Heat reduction

Health outcomes

• Cardiovascular mortality