CO-Benefits Risk Assessment Health Impacts Screening and Mapping Tool (COBRA)

Use the COBRA Web Edition

Estimate the health impacts of changes in air pollution emissions with the new COBRA Web Edition.
Watch the COBRA Video

Learn more about what COBRA is and how you can use it in less than two minutes.
Develop Your Inputs for COBRA

Use these factsheets to estimate emissions inputs for COBRA analyses.
New! AVERT–COBRA Web Connection

COBRA Web Edition can now evaluate the health impacts of their energy efficiency and renewable energy scenarios quickly and easily by directly importing emissions results from EPA’s AVERT Web Edition.

Use COBRA