The Karma system is currently undergoing maintenance (Monday, January 29, 2018).
The maintenance period has been extended to 8PM EST.

Karma Credits will not be available for redeeming during maintenance.

E-collection 'Environmental Health'

Environmental health is the branch of public health that is concerned with all aspects of the natural and built environment that may affect human health. This includes issues of air pollution, global warming, housing, food safety, toxins in the environment, waste managements etc. JMIR Public Health focuses on technology solutions to improve, visualize, or monitor the environment for public health purposes.