claim: The population of Barcelona is 1.6 million.
evidence: Ir Albert Lai -LRB- Lai Kwong-tak , traditional Chinese  : 黎廣德 -RRB- is the CEO of Carbon Care Asia , a social business in carbon strategy and sustainability innovation .. Engineer. Carbon Care Asia. Carbon Care Asia. He is the founding chairman of The Professional Commons , an independent public policy thinktank and the Hong Kong People 's Council for Sustainable Development .. The Professional Commons. The Professional Commons. Council for Sustainable Development. Council for Sustainable Development. Hong Kong. Hong Kong. He has also served as the Vice-chairman of the Civic Party , a member of the Strategy Sub-Committee , Council for Sustainable Development , HKSAR Government .. Civic Party. Civic Party. Council for Sustainable Development. Council for Sustainable Development. Lai has played an active role in the engineering sector and in the environmental movement for over thirty years .. environmental movement. environmental movement. Having led the Hong Kong NGO delegation to the World Summit on Sustainable Development in 2002 , he has taken a leading role in advocating the implementation of sustainable development strategies in Hong Kong .. Hong Kong. Hong Kong. World Summit on Sustainable Development. World Summit on Sustainable Development. sustainable development. sustainable development. He is a primary mover in a range of civil society initiatives in the fields of environmental protection , urban planning , heritage conservation , poverty alleviation and sustainability reporting .. environmental protection. environmental protection. urban planning. urban planning. heritage conservation. heritage conservation. poverty alleviation. poverty alleviation. sustainability reporting. sustainability reporting. He also led the Hong Kong NGO Delegation to the United Nations Climate Change Conference in Bali in 2007 and in Copenhagen in 2009 .. Hong Kong. Hong Kong. United Nations Climate Change Conference. United Nations Climate Change Conference. Bali. Bali. Copenhagen. Copenhagen. Lai is a chartered engineer by profession .. He co-founded the China Water Company , an infrastructure investment firm backed by international investors , in 1996 and served as its Managing Director until 2004 .. Lai received a Bachelor of Science -LRB- Engineering -RRB- degree in 1980 and a Master of Social Science degree in Urban Studies in 1984 from the University of Hong Kong .. Hong Kong. Hong Kong. University of Hong Kong. University of Hong Kong