Green Spaces and Heart Health in Cities

Urban Greenness and Cardiovascular Health

NIH-funded research University of Louisville · NIH-11166442

This project explores if adding more green spaces in city neighborhoods can improve heart health by reducing air pollution.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Louisville NIH-funded
Lab location1 site (Louisville, United States)
Project IDNIH-11166442 on NIH RePORTER

What this research studies

Many studies suggest that green spaces in cities are good for our health, but it's hard to know exactly how they help. This project, called the Green Heart Project, is a community-based effort to see if more trees can lower the risk of heart disease. Researchers first gathered information about neighborhood health and air pollution in Louisville, KY. Then, they planted many mature trees in specific areas and are now checking to see how these changes affect air quality and people's health over time.

Who could benefit from this research

Good fit: This project focuses on residents living in specific neighborhoods in Louisville, KY, who participated in baseline health assessments.

Not a fit: Patients not living in the specific Louisville neighborhoods where the greening intervention occurred would not directly benefit from this particular community-based intervention.

Why it matters

Potential benefit: If successful, this work could show that planting more trees in urban areas is a simple yet powerful way to protect community heart health.

How similar studies have performed: While many studies suggest a link between green spaces and health, this project is a novel community-based clinical trial directly testing the causal link through an intervention.

Where this research is happening

Louisville, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.