SCOTT FALLON / NORTHJERSEY.COM – Dark clouds of soot that spew from diesel-fueled trucks and coal-fired power plants had for years been a major reason why New Jersey’s air was among the most polluted in the nation.
But aside from lung and heart disease, scientists in recent years have shown that soot — or black carbon — has another damaging effect.
It is a major contributor to global warming — a short-lived pollutant, but second only to carbon dioxide in its ability to trap heat.
New Jersey was on the cusp of regulating black carbon as a greenhouse gas under a bill called the Global Warming Response Act that establishes new time frames to reduce emissions. It was signed into law last week by Gov. Phil Murphy …