Use of dirty heating oil in NYC concentrated uptown

(Columbia University's Mailman School of Public Health) Residential buildings that continued to burn residual fuel oil were concentrated in Northern Manhattan and the Bronx, as of late 2015. Compared to cleaner heating sources such as natural gas, these dirty fuels produce high levels of particulate matter, exposure to which is linked to asthma, obesity, developmental delays, and other health problems.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news