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Many of you know that I like to sing. So this time of year is particularly fun for me as I get to enjoy a good number of Christmas songs....

Last week I went to my doctor for a physical. I had one in my early 40s but now that my age rounds to 100 I figured it was time for me...

On the afternoon of Tuesday, July 12, 2022 EPA held “Stakeholder Day” of the 2022 Virtual EPA Regional/State/Local (RSL) Dispersion...

I hope all my fellow Americans enjoyed our 4th of July celebration this past weekend. It’s always been a fun mid-summer celebration to...

On March 23 IQAir, an air quality technology company, released its “World Air Quality Report”[1] which it stated was the first “major...

Once upon a time I had somebody approach me about doing some work for them. Being a good consultant I immediately said sure, “I’d be...

On the morning of December 30, 2021, a wildfire broke out near the town of Marshall, Colorado which is just south of Boulder. Because of...

An artist's rendering of a polluted exoplanet. (Image credit: Christine Pulliam (CfA)) It probably comes as no surprise to you, given the...

On Monday, November 15, India’s Supreme Court proposed a lockdown in New Delhi. Their proposal called for the suspension of all...

With Halloween upon us I thought it would be fun to offer up a few “scary” modeling tales that are likely to keep the regulated community...

foreshadowing: noun, an indication of something that will happen in the future, often used as a literary device to hint at or allude to...

On the afternoons of June 21 through June 23, EPA held the 2021 Virtual Regional, State, and Local (RSL) Dispersion Modeler’s Workshop....

On May 11, 2021 EPA issued a new version of AERMOD. In keeping with their penchant for “memorable” version numbers (remember version...

On Friday, April 9, the White House issued President Joe Biden’s request for fiscal year 2022 discretionary funding. The full 58-page...

If you’ve been in the environmental business long enough you’ve come to realize that every time a new administration takes office in...

Welcome to the Blue Sky Modeling Blog! Here we’re going to talk all things air modeling, from the latest news/updates to technical...

I am very excited to be writing this as I kick off a brand-new company, Blue Sky Modeling, or BSM. We established BSM to provide a new...