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can be achieved both in terms of science and technology (Anastas and Zimmerman
2007).
A green engineer is required to apply a feasible strategy or technology that minimize all risk factors or potential hazards in order to achieve sustainable development
without sacrificing economic viability and efficiency. Pollution, human health, the
threat of environmental damages, and the use of material and energy are urgent factors that should be analyzed and calculated in the beginning to the end of cycles of
product or processes.
Global warming is one example of the potential danger of environmental damage.
One of the factors causing global warming also comes from buildings. Buildings and
cities have contributed to greenhouse gases and global warming issue through some
human activities inside the building and in the city, e.g., the use of not eco-friendly
air-conditioning room, and mining and burning fossil-fuel activities to run the car
and other devices. We all realize that the energy reserves are limited and will run
out. Efforts that can be made to reduce global warming can be achieved by applying
a green movement.
The green movement arises as a result in awareness of the fact that our earth is
getting warmer due to various processes of human life, especially in burning fossil
fuels to produce carbon dioxide and greenhouse gas effect or well known as GHG.
Since architecture, building, and city are contributors in global warming, so both
architect and city planner play an important role to deal with this issue through their
product in building-design and city-planning. The Green Architecture Movement is
no longer a motto or wishful thinking on the cloud, but it is a joint obligation to be
realized and strived together.
The green architecture contains two focus of attention. The two focuses are creating beauty and welfare through the architectural work, while focusing on how to
minimize environmental damage. The greener architecture means the greater the
welfare produced and the smaller the environmental damage that occurs.
A building can’t be categorized as part of green architecture if the building has
considerable damage factors, even though the building has minimized energy use and
reduced environmental damage in operational activities. Damage that might occur
in a building for example; buildings are not beautiful, less prosperous residents, do
not function properly. This condition is based on the theory of sustainability habitat
system, where sustainability will decrease if the damage factor is greater or more
diverse when compared to the welfare obtained. Take the extreme example of a small
house inhabited by many people. Although using very little electricity, and small
land, it becomes very humid and hot, not comfortable because the ventilation is not
enough to supply air, and it causes unproductive activities inside the house and more
dispute among the residents. And vice versa, the very artistic and beautiful building
and liked by many people, but taking very large environmental damage due to the
erection of the building, many tree logging, taking a large ground surface, blocking
the absorption of rainwater and consuming very large energy, can’t be called as green
architecture, because the value of the Throughput (T) is very low.
What is green architecture? Going back to the rock era to live in caves, without
vehicles and computers, gadgets and all the comforts we have enjoyed at the previous
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