- Bloech, H. und Tigges, D. „Materials selection for healthy indoor environments in practice.“ Greenbuild Europe, Berlin 17. April 2018
- Bloech, H. „VOC und Formaldehydanforderungen in USA und Frankreich.“ Vorstandssitzung des Verbands der deutschen Möbelindustrie, Brüssel, November 2016
- Bloech, H. November 10, 2016. „Geprüft in Köln, zertifiziert in den USA – Zertifizierungen für den globalen Marktzugang und LEED (Tested in Cologne, certified in the US – Certifications for global market access and LEED).“ eco-INSTITUT Bauprodukteseminar, Köln
- Contributor. 2016. „Sustainable Steel Buildings – a practical guide for structures and envelopes.“ edited by Bernhard Hauke, Markus Kuhnhenne, Mark Lawson, Milan Veljkovic. John Wiley & Sons 2016
- Interview. March 3, 2015. „Q&A: New UL program tackles IAQ.“ Facility Executive
- Contributor. August 14, 2014. „IEQal Opportunity.“ Climate Control Middle East
- Al Bustani, H. August 4, 2014. „The toxins you breathe indoors could harm your health.“ The National – UAE
- Bloech, H. 2014. Smart and Healthy – Protecting High Performance Buildings from Indoor Air Quality Problems. Smart Skyscrapers Summit 2014.
- Bloech, H. 2014. Balancing IAQ and Energy Efficiency. 2nd Annual Middle East Indoor Environmental Quality Conference, Dubai, UAE.
- Bloech, H., Miller, S., et.al. 2014. The Effect of Building Materials on Indoor Air Quality, Abu Dhabi Quality Forum, Abu Dhabi, UAE.
- Bloech, H. 2013. „Sicherheit ist kein Kinderspiel: Mit Zertifizierung Kunden über Produktsicherheit informieren.“ Kind & Jugend 2013, Cologne, Germany.
- Bloech, H. 2013. „Ökobilanzen & Emissionen: Nachhaltige Möbel kennzeichnen für den globalen Marktzugang and Beispiel der LEED Gebäudezertifizierung.“ Interzum 2013, Cologne, Germany.
- Bloech, H., Rutland, M. 2011. „Everything you need to know about Flooring Emissions and LEED IEQ Credit 4.3.“ FloorTrends Magazine March 2011, Troy, MI.
- Bloech, H. 2011. How to Sniff Out Credible Indoor Air Quality. Neocon 2011, Chicago, IL.
- Bloech, H. 2010. „Green Building Programs – Lessons Learned.“ Indoor Environment Connections Volume 11, Issue 7, p.19-21, Rockville, MD.
- Bloech, H. and Irwing, G. 2010. „LEED and other New Green Building Certifications.“ Green California Summit, Sacramento, CA.
- Bloech, H. 2010. Stop and Smell the VOCs: How to Design for Healthy Buildings. Neocon 2010, Chicago, IL.
- Bloech, H. 2009. Mind the Air. Environmental Design & Construction August 2009, Troy, MI.
- Bloech, H. 2009. Sustainability begins with Products that last. Eco Construction 2009, Chicago, IL.
- Bloech, H. 2009. Says Who? – Claims, Logos, and Certifications. 4th Annual Bio-Polymers Symposium, Chicago, IL.
- Bloech, H. 2008. A Breath of Fresh Air. Ultimate Home Design February 2008, Temecula, CA.
- Bloech, H. 2008. Green is in the Details. Neocon 2008, Chicago, IL.
- Bloech, H. and Ahrens, M. 2007. Double Duty, a Must for Commercial Carpet – Sustainability and Performance. Neocon 2007, Chicago, IL.
- Bloech, H. and Angrisano, N. 2007. Achieving Environmental Stewardship in Sustainable Design. TFM Show, Chicago, IL.
- Bloech, H., Bonda, P. et.al. 2007. Sustainability and the Floorcoverings Industry. Surfaces 2007, Las Vegas, NV.
- Bloech, H. 2006. Good IAQ is Good for Business. Today’s Facility Manager, Tinton Falls, NJ.
- Bloech, H. 2005. VOC Emissions in the United States. CerTech Symposium, Brussels, Belgium
- Bloech, H. and Mlade, J. 2005. Engineering for a Sustainable Future. Bioneers Southeast Forum 2005, Atlanta, GA.
- Bloech, H. 2005. Indoor Environmental Quality and Occupant Health – an International Study. USGBC Greenbuild 2005, Atlanta, GA.
- Bloech, H. 2003. Dimensions of Green – Sustainable Procurement Measures for Furniture and Furnishing. American School & University, v75 n9 p56-59 May 2003, Overland Park, KS
- Bloech, H. and Black, M. 2003. Healthy Indoor Environments through Green Design. Neocon 2003, Chicago, IL.
- Bloech, H. 2003. On Indoor Air Quality and Source Control. Environmental Design & Construction April 2003, Troy, MI
- Bloech, H. 2003. Indoor Environmental Quality as part of the Green Guide for Health Care. Indoor Environment Connections June 2003, Rockville, MD.
- Bloech, H. 2003. Improving Indoor Air Quality at the Source. Indoor Environment Connections April 2003, Rockville, MD.
- Bloech, H. and Black, M. 2003. Healthy Indoor Environments Through Green Design. Construct America Conference 2003. Chicago, IL.
- Bloech, H. 2003. What to Look For? A Closer Look at Low Emitting Products. Environmental Design & Construction December 2003, Troy, MI.
- Bloech, H. 2003. Specifying Low Emitting Products for Good Indoor Air Quality. Construction Specifier November 2003, Alexandria, VA