Tukuk-OS💨 Air & Breathing
Five micro-lessons · about 35 minutes in total
What surrounds us and fills our lungs: atmosphere, pollution numbers, greenhouse gases. Five lessons, about 35 minutes in total — read one at a time; each stands alone.
The five lessons
1. The Atmosphere Has Floors
90% of the air you breathe sits below your cruising altitude — the sky is a thin skin.
2. What the AQI Number Means
PM2.5, the 0–500 scale, and why your city’s number is a model estimate.
3. The Greenhouse Effect, Honestly
Why 0.04% of the air decides the planet’s temperature.
4. The Ozone Comeback Story
We broke the UV shield, then fixed the treaty — proof the planet can heal.
5. The CO₂ in Your Room
Why classrooms get sleepy by 10 a.m., and the oldest fix works.
Try it live
Further reading
Three real books on this track, from the Open Library catalogue — follow the links for libraries, previews and borrow options.
The research
The most-cited Crossref-indexed papers matching the topic — a window into how professionals actually study it.
- Image quality assessment: from error visibility to structural similarity — Zhou Wang (2004), cited 52,694 times
- Consolidated criteria for reporting qualitative research (COREQ): a 32-item checklist for interviews and focus groups — Tong (2007), cited 38,653 times
- A Conceptual Model of Service Quality and Its Implications for Future Research — Parasuraman (1985), cited 35,955 times