CO2nnsulting has had its emissions reduction targets approved by the Science Based Targets initiative as consistent with levels required to meet the goals of the Paris Agreement.

The targets covering greenhouse gas emissions our operations (scopes 1 and 2) are consistent with reductions required to keep warming to well-below 2°C.


CO2nnsulting moves to a new office and turns 10.


Christmas party…


Dr. Yuen showcases One Bay East.

Dr. Yuen on “To BEAM or Not to BEAM”, Hong Kong Trade and Development Council, Symposium on “Green Building Certification in Hong Kong, 31 Oct 2014.

Dr. Yuen spoke at Female CEO in non-traditional Professions with the Hong Kong Chamber of Commerce in March 2014. For more information, click here.

CO2nnsulting-a breath of fresh air. More information, click here.

CO2nnsulting-supports HKIE 2014- Engineer for a Day. Dr. Yuen will invite secondary school students for a half-day seminar with site visit to share her passion in science and engineering.

Protocol signing for Engineer for a Day, Sept 2014


The consolidation of CO2nnsulting office has achieved LEED®GOLD.


CO2nnsulting expands to a new, better, bigger, more sustainable office.


Sports program for all staff is launched.


CO2nnsulting holds an experience-sharing seminar for a youth in the  office for Hong Kong Federation of Youth Groups.

ORBIS Moonwalk: CO2nnsulting sponsors staff and walks a total of 20×6=120 km to fight blindness.

CO2nnsulting attended the press launch of Hong Kong Carbon Reduction Campaign (HKCRC) spearheaded by The Climate Group. CO2nnsulting joined the campaign because we felt that the goals of the campaign are well aligned with ours.  The CO2nnsulting team already practises the CIBSE Carbon off campaign.  Living green is healthier and  costs less.  We, as a leading sustainable design consulting firm, practise what we preach at work and at home. Find out more at here.