April 2022

This month, EM takes a close look at the U.S. Regional Haze Rule and the progress on visibility that has been made to date.


 Inside This Month's Issue


Visibility and the Regional Haze Rule
by Anthony J. Schroeder

by Jeremy Jewell
by Sharon Davis, David S. Healy, and Alexandra Karambelas
by Nash E. Long
by Allison Watkins Mallick, Debra J. Jezouit, and Derek R. McDonald
by Abigail Nastan

Also This Month...

Message from the President: Clear(ing) Skies Ahead? 
by Nancy E. Meilahn Fowler

Etcetera: Proposed Revised Definition of ‘Waters of the United States’

by Anthony B. Cavender

EPA Research Highlights:
 A Roundup of the Latest U.S. Environmental Protection Agency (EPA) Research

What’s on Tap for 2022?

Digital EM

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