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See also 30 pages at diglloyd.com

2021-10-02 Eastern Sierra Air Quality September 28/29/30: Stunningly Clear, but Oct 1 brings the Nasty Stuff

2021-09-27 Eastern Sierra Air Quality September 27: Still Lousy from Forest Fires, but hope for a short reprieve tomorrow

2021-09-25 Eastern Sierra Air Quality September 25: Still Lousy from Forest Fires

2021-09-24 Total Failure of Piñon Pine Nuts in Inyo Mountains

2021-09-21 Forest Fire Smoke Plagues the Eastern Sierra and Yosemite

2021-08-28 Reader Comment: “wealth of material you have accumulated over the years of shooting around Sierra Nevada/White Mountains”

2021-08-21 Where to Photograph in a State Largely Veiled in Smoke?

2020-10-01 Sony FE 12-24mm f/2.8 GM Aperture Series: Big Tree at Bend in Alpine Creek (jaw-dropping focus shift and lens skew)

2020-09-30 Forest Fires: Many California National Forests remain Closed Through October 8 Including Eastern Sierra, White Mountains, Yosemite High Country

2020-09-16 Forest Fires: All California National Forests are Closed, BLM Lands Appear to Remain Open

2020-09-09 California Forest Fires in San Francisco Bay Area: Eerie Orange Twilight at 10:10 AM —It’s Raining Ash

2020-09-08 Testing Soon: Voigtlander FE 35mm f/1.2 Aspheric

2020-08-24 CZU Fire Smoke Locks us Down to Hot and Sweaty Indoors — Kudos to Firefighter Heroes

2020-02-22 Allergy Season Hits Me Hard This Year — Warm Drought February Means Pollen Bloom

2020-01-29 P100 / N100 Particulate Respirator the Smart Move for Coronavirus — not the Useless Leaky Masks That People are Seen Wearing in the News


Blog posts

2021

2021-10-06 Office Air Quality May Affect Employees’ Cognition, Productivity

2021-09-27 Science Daily: N95 respirators could offer robust protection from wildfire smoke

2021-07-20 COVID — The Panic Pandemic: Fearmongering from journalists, scientists, and politicians did more harm than the virus

2021-03-15 Science Daily: Air pollution: The silent killer called PM 2.5

2020

2020-10-09 COVID-19; WSJ: What the Pandemic Has Taught Us About Science

2020-09-22 Forest Fire Smoke is Not Just Unpleasant, it Has Serious Health Impacts: “Stanford researchers discuss wildfires’ health impacts”

2020-08-23 Forest Fires in California, plus Health Hazards of Smoke and HEPA Air Purifier to Manage It

2020-01-29 P100 / N100 Particulate Respirator the Smart Move for Coronavirus — not the Useless Leaky Masks That People are Seen Wearing in the News

2018

2018-07-16 P100 / N100 Particulate Respirator Works for Smoke

2018-05-31 Pot / Marijuana / Weed Smoking Drivers and Me on a Bike

2016

2016-08-10 Pot Smoking Drivers and Me on a Bike

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