Green smart cities

Courtesy : www.forbes.com

Cities provide people with opportunities to improve their quality of life. Hence, the population of cities is growing at an increasing rate. To meet the needs of the expanding population and to fulfill their lifestyle needs, the government is trying to make cities smarter by using technology. Smart cities have the potential to gather data from various information sources and use them to give solutions for managing assets and resources. With the increase IT products and applications, there is an increase in demand to manufacture it. Green IT, also known as green computing, makes IT products and IT applications in an environmentally-friendly way. The concept of Green IT came into existence when the U.S. Environmental Protection Agency launched the Energy Star program in 1992. Energy Star is used to promote and recognize energy efficiency and helps organizations to make decisions accordingly. The prime objective of green IT is to minimize the negative environmental effects of manufacturing, operating and disposing of IT-related products and applications. The adoption of green IT can help address challenges to ensuring sustainability in smart cities.

Challenges for maintaining sustainability in smart cities

Smart cities and sustainability are considered connected, as resources can be managed smartly with the help of new technologies. The development of smart cities necessitates smart technologies. Smart technologies can be costly and consume more resources. Excessive consumption of resources may lead to the unsustainability of smart cities. It is said that 70% of the natural resources used in the entire life cycle of a computer are used during computer manufacturing. In today’s world where the technology refresh cycle is rapid, computing devices become obsolete fast. Then, a person has to replace the old computer with a new one. Thus, there is an increased demand for computer devices that results in the consumption of more resources.

Even software and networking services can affect the environment. Search results can cause the emission of carbon dioxide due to the energy required to power a computer and to send the request to servers around the world. Excess emission of carbon dioxide can ultimately lead to an increase in global warming. Data centers are always criticized for their demand and consumption of high energy. Smart cities will probably get the best solutions for administration based on gathering and analyzing data, making them large data centers. Hence, smart cities will need a compelling power management system.

Green IT, and its uses

Designing, manufacturing, using and disposing of IT related products and software in an environmentally efficient way is the basic principle of green IT. Whereas manufacturing IT products can be harmful to the environment, green IT tries to find a way to have minimal effect on the environment. Green IT can be used in many ways. Computer virtualization is one of the concepts used in green IT. In computer virtualization, the system administrator can combine several systems to a virtual machine on one single and robust system. The use of computer virtualization can reduce power consumption by unplugging the original hardware.

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Cathode ray tube (CRT) monitors use more power than liquid crystal display (LCD) monitors. LCD monitors also contain less amount of lead. Hence, LCD monitors should be preferred over CRT monitors. In addition, some new LCD monitors use light-emitting diodes (LEDs) to provide light for display instead of a fluorescent bulb. LED backlights do not contain mercury, whereas fluorescent backlights contain a small amount of mercury. Exposure to mercury is toxic for human health; it can have medical effects on many body functions like cardiovascular, pulmonary, digestive, renal and immune system. Green IT also implements technologies like teleconferencing and telepresence. The primary benefit of using teleconferencing and telepresence is the reduced emission of greenhouse gases related to traveling. Green IT can also be used to distribute the energy as per the need of the computer by using the process of undervolting, thereby reducing resources consumption. Undervolting is a process where CPU can switch of components like the monitor and hard drive after inactivity for a set period.

How Green IT can resolve the rssue of sustainability

Cloud computing can address the issues of energy and resource consumption. Large enterprises, as well as small businesses, can transfer their on-premise applications to cloud computing and reduce their energy consumption and carbon emissions by half.

The world is rapidly moving towards smart urbanization. People have achieved comfort with the help of IT and smart cities, but have added harmful gases that can increase global warming. There is a need to adapt existing and newly emerging technologies in a way that has a minimal impact on the environment. The goal must be to achieve balanced growth concerning both the social and environmental points of view. This goal can be achieved with the help of green IT. Initiatives are taken by universities to educate students, to build and maintain systems in such a way that it reduces harm to the environment. With more educated and trained students, more applications can be devised for using green IT in all areas of businesses.

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Green smart cities

Green smart cities Courtesy : smartcity.press/ Green areas can be integrated into the architecture of smart cities, even where space is at a premium. For example, in Sydney, Australia, One Central Park

Green smart cities

Green smart cities Courtesy : smartcity.press/ Green areas can be integrated into the architecture of smart cities, even where space is at a premium. For example, in Sydney, Australia, One Central Park

Green smart cities

Courtesy : en.wikipedia.org Green smart cities A smart city is a technologically modern urban area that uses different types of electronic methods and sensors to collect specific data. Information gained from that data is used to manage assets, resources