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Explore primary research, practical explanations, and audience-specific resources that help make changing indoor conditions easier to understand.
Explore the ResearchCLARVON LEARN
Founder-written articles about observation, context, documentation, and the limits of environmental claims.
Environmental Change ReportingEnvironmental Change Reporting is a structured way to document environmental conditions before and after an activity without turning limited observations into unsupported conclusions.
6 minutes read
Professional Service Documentation
Professional Service Documentation
Environmental Change Reporting
Environmental Change ReportingGood environmental reporting clearly separates what was observed from what would require certified methods, additional investigation, or professional judgment.
7 minutes readSTART LEARNING
Understand how occupancy, ventilation, activities, weather, and building operation can influence indoor conditions.
Explore resource →Search primary resources and peer-reviewed studies by topic.
Explore resource →Practical, claims-safe guidance for understanding changing conditions at home.
Explore resource →Research and communication resources for environmental service workflows.
Explore resource →Educational resources for shared environments where consistency and clear communication matter.
Explore resource →Clear answers about measurements, change reporting, and limitations.
Explore resource →RESEARCH SPOTLIGHT
CLARVON uses authoritative sources to explain environmental topics. External research informs education; it does not validate a specific product result or imply organizational endorsement.
U.S. Environmental Protection Agency
An official overview of indoor environmental conditions, common pollutant sources, ventilation, moisture, and exposure.
EPA reports that Americans spend approximately 90 percent of their time indoors and that indoor conditions are influenced by activities, building operation, and outdoor air.
U.S. Environmental Protection Agency
Explains the factors that affect air within and around buildings and practical approaches to understanding indoor conditions.
Source control, ventilation, and filtration are among the strategies EPA discusses for addressing indoor pollutants.
U.S. Environmental Protection Agency
Explains particle sizes, indoor and outdoor sources, and approaches for reducing particulate matter indoors.
Particles can come from indoor activities and outdoor air, and their behavior varies by size, source, ventilation, and filtration.
World Health Organization
A global overview of indoor and outdoor air pollution and the importance of reducing unnecessary exposure.
WHO identifies particulate matter and several gases among pollutants of public-health concern.
ENVIRONMENTAL CONFIDENCE
CLARVON provides objective environmental measurements to support clearer conversations and more informed decisions.
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