EPA climate policy

Niina Heikkinen



Niina is a reporter with Climatewire and joined the company in 2015. She covers the shifting world of climate policy at U.S. EPA under the Trump administration, following changes from Capitol Hill to the scientist's workbench. She has previously covered agriculture, fisheries and biofuels, with a focus in scientific research and ecological conservation. Before joining the E&E News staff, she was a reporting fellow for Climatewire. She has a master's degree in journalism from Columbia University and dual bachelor's degrees in animal science (with a concentration in pre-veterinary medicine) and journalism from the University of Massachusetts, Amherst.

Latest Stories


To kill climate rule, EPA wants to redefine danger of soot

Whether it's in haze-shrouded cities, plumes of car exhaust or even clear skies, fine particle pollution can be found just about everywhere in the United States. After decades of assertions that there is no known safe level of fine particle exposure for the American public, EPA is now floating the idea of setting a threshold level of fine particles that it would consider safe.