Blog
40 Years Since the Discovery of the Titanic Wreck
Exactly four decades ago, on September 1, 1985, the renowned oceanographer Dr. Robert Ballard made a historic discovery. He found the Titanic Wreck at...
Partner par excellence – who and why
What does it truly mean to be a partner par excellence in business? Is it someone who delivers impressive results quickly, only to leave a trail of pr...
PFAS or forever chemicals – nonsense or threat?
What are PFAS, or forever chemicals?
PFAS sounds like a bad word, but what does it actually mean? It refers to a group of chemicals that deserve our ...
PM2.5 Particles According to the New Air Protection Law
In June 2025, a new Law on Air Protection was adopted in Serbia (the “Official Gazette of RS”, No. 51/2025). Although Article 6 explicitly states that...
World Economic Forum – Global Action!
Call for Open Action
The World Economic Forum has publicly issued an appeal for global action to combat indoor air pollution—a topic that Marquis Int...
Mini case study: Air Quality in the Gym
How and Why to Improve Air Quality in the Gym
What truly defines a premium workout experience? A high-end gym setup? Advanced fitness equipment? Excl...
Werner Schröder – Visionary of Clean Air
Werner Schröder was a man whose mission was simple yet profound: to enable everyone to breathe clean air, like in the world's purest regions, even whe...
The Benchmark of Excellence in Air Treatment
What defines business excellence? Everyone has their perspective, of course. But when an internationally recognised scientist who speaks six languages...
New Law on Air Protection in Serbia – Odors
Odors from barbecues, kitchens, bakeries, heating appliances or printing facilities can prompt serious complaints from residents. Serbia’s current Law...
Mini Case Study: Hotel Hilton Belgrade
z7 Unique IAQ Solutions in 7 Years
Increasingly, people, including hotel guests worldwide, are becoming aware of the invisible factors that shape gen...