particulate matter

News

Calculating the costs of pollution

Published: 
Sun, 04/27/2014 - 6:28pm
Category: 
Chemicals

Last week, a divided court of appeals upheld what may well be the most important environmental rule in the nation's history: the Environmental Protection Agency's mercury standards. 

News

Beijing’s Bad Air Would Be Step Up for Smoggy Delhi

Published: 
Mon, 01/27/2014 - 8:22pm
Category: 
Chemicals

In mid-January, air pollution in Beijing was so bad that the government issued urgent health warnings and closed four major highways, prompting the panicked buying of air filters and donning of face masks. 

News

Microsampling Air Pollution

Published: 
Wed, 06/05/2013 - 11:52pm
Category: 
Chemicals

Near the corner of Tillary and Jay Streets in Brooklyn, Michael Heimbinder stood near a blue mailbox, head down, poking at his smartphone. A graph appeared: a single line plotting ambient carbon monoxide exposure in the neighborhood.