A joint report by Cadana-US-Mexico called "Green Building in North America: Opportunities and Challenges" stated that basic changes in building design and construction can reduce greenhouse gas emissions by 35%.
Many parties have focused on transportation, oil, and gas in relation with climate change. In fact, buildings have much greater potential to address this issue. Currently the industry has a long way to go. North American only has less than four percent of new buildings that meet the environmental goals under the Leadership in Energy and Environmental Design (LEED) standard.
The most common barrier in sustainable building is the way its financed. Environmental friendly buildings are not more costly in the long run because they save money on energy and maintenance. Unfortunately, loans for construction are based on short term cost for developers, rather than long term savings for buyers.
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