8951638609 thank you sir On 10 Mar 2017 4:12 p.m., "Gurumurthy K" <itfc.stfk...@gmail.com> wrote:
> Dear teachers, > > it seems on an average we will buy 29 cell phones during our life time > .... which is a huge threat to our environment, in multiple ways ... please > read article below... lets use our current phones as long as possible ... > and try to replace non working parts, dead batteries etc .... > > This is also a general principle I think - moving from the 'use and throw' > culture to 're-use and conserve' culture.... India has been in many ways > the 're-use and conserve' culture, but now rapidly moving to the use and > throw culture.... > > regards, > Guru > > What 10 Years of Smartphone Use Mean for the Planet > Tuesday, March 07, 2017 By Elizabeth Jardim, Greenpeace | Op-Ed > > Smartphones have undeniably changed our lives -- and the world -- in a > very short amount of time. Just ten years ago, we took pictures with > cameras, used maps to plan routes, and kept in touch with friends and > family using T9 text messages. > > If you're among the more than 2 billion people in the world that now uses > a smartphone, chances are pretty good you remember your first smartphone. > You remember how your life changed when your phone suddenly became > connected to the internet and became a tool to find your way around almost > anywhere instantaneously, send emails on the go, stay in touch with loved > ones 24/7, and answer all your random curiosities. > > But do you remember when you got your second smartphone? Or your third? Do > you remember how many smartphones you've had since 2007? > > We wanted to find out how many smartphones had been made since Apple's > first iPhone came on to the market in 2007, and the answer surprised us -- > more than 7 billion. That means that if every smartphone ever made was > still operational, there would be roughly enough for every person on the > planet. > > Of course, this is not the case. The average phone in the United States is > used for just over 2 years, despite the fact it can function for longer. > Phone users are often lured into prematurely replacing their phones -- > either because they are up for a new contract and the new phone appears to > be "free" or because of a single failing part, such as the screen or > battery, that's too complicated or expensive for the average person to > repair. > > At this rate, we're all on track to use at least 29 phones in our > lifetimes. > > This rapid turnover of devices is what leads to record profits for > smartphone manufacturers year after year. It also leads to many damaging > impacts on people and our planet. > > Miners in remote landscapes extract tons of metal ore and precious metals > for these devices. From there, these materials pass through a complex > refining, processing, and manufacturing supply chain. Workers in > electronics factories are often unknowingly exposed to hazardous chemicals > that damage their health. These facilities our powered by an energy mix > that is dominated by fossil fuels, which furthers the impacts of climate > change. > > In our new report "From Smart to Senseless: The Global Impact of Ten Years > of Smartphones" we unpack the problems with the current smartphone > production model. > > Here is some of what we found: > > > > > > > > > > > > * 7.1 billion smartphones have been produced since 2007.More than 60 > different elements are commonly used in the manufacturing of smartphones. > While the amount of each element in a single device may seem small, the > combined impacts of mining and processing these precious materials for 7 > billion devices is significant.In 2014 alone, e-waste from small IT > products like smartphones was estimated to be 3 million metric tons. Less > than an estimated 16 percent of global e-waste is recycled.Only two > (Fairphone and LG G5) of 13 models reviewed had easily replaceable > batteries. This means consumers are forced to replace their whole devices > when the battery life starts to dwindle.Since 2007, roughly 968 terawatt > hours (TWh) has been used to manufacture smartphones, which is nearly the > same as one year's power supply for India (973 TWh in 2014).At end-of-life, > current design makes disassembly difficult, including the use of > proprietary screws and glued in batteries; therefore, smartphones are often > shredded and sent for smelting when "recycled." Given the small amounts of > a wide diversity of materials and substances in small devices, smelting is > inefficient, or ineffective, at recovering many of the materials.* > > The recent recall of Samsung's overheating and explosive Galaxy Note 7 > phones is a prime example of the problems with the current production model > -- rushed design and production cycles can lead to costly mistakes. After > investigating, the company attributed the battery flaws in part to > accelerated production efforts to outpace competitors. Recalling the phones > was the right choice. But now Samsung needs to decide what to do with the > 4.3 million handsets. > > Since November 2016, we've been calling on the company to reuse and > recycle phones. To date, Samsung has not revealed its plan. Join us in > calling on Samsung to recycle these phones and commit to making phones in > the future that can be easily repaired, reused, and recycled. > > > *Despite the many challenges that confront it, the IT sector is well > positioned to fix these problems and set an example for all industries by > moving from a linear to a circular production model -- one that reuses > precious raw materials.* > As IT companies have shown again and again, technology and creativity can > be used as powerful forces to disrupt outdated business models. Leading IT > companies can become the greatest advocates for a circular production model > and a renewably powered future. The brightest designers can create > toxic-free gadgets to last, be repairable, and ultimately be transformed > into something new. > > source - http://www.truth-out.org/opinion/item/39729-what-10-years- > of-smartphone-use-means-for-the-planet > > > www.ITforChange.net > > -- > ----------- > 1.ವಿಷಯ ಶಿಕ್ಷಕರ ವೇದಿಕೆಗೆ ಶಿಕ್ಷಕರನ್ನು ಸೇರಿಸಲು ಈ ಅರ್ಜಿಯನ್ನು ತುಂಬಿರಿ. > - https://docs.google.com/forms/d/e/1FAIpQLSevqRdFngjbDtOF8YxgeXeL > 8xF62rdXuLpGJIhK6qzMaJ_Dcw/viewform > 2. ಇಮೇಲ್ ಕಳುಹಿಸುವಾಗ ಗಮನಿಸಬೇಕಾದ ಕೆಲವು ಮಾರ್ಗಸೂಚಿಗಳನ್ನು ಇಲ್ಲಿ ನೋಡಿ. > -http://karnatakaeducation.org.in/KOER/index.php/ವಿಷಯಶಿಕ್ > ಷಕರವೇದಿಕೆ_ಸದಸ್ಯರ_ಇಮೇಲ್_ಮಾರ್ಗಸೂಚಿ > 3. ಐ.ಸಿ.ಟಿ ಸಾಕ್ಷರತೆ ಬಗೆಗೆ ಯಾವುದೇ ರೀತಿಯ ಪ್ರಶ್ನೆಗಳಿದ್ದಲ್ಲಿ ಈ ಪುಟಕ್ಕೆ ಭೇಟಿ > ನೀಡಿ - > http://karnatakaeducation.org.in/KOER/en/index.php/Portal:ICT_Literacy > 4.ನೀವು ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ ಬಳಸುತ್ತಿದ್ದೀರಾ ? ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶದ ಬಗ್ಗೆ > ತಿಳಿಯಲು -http://karnatakaeducation.org.in/KOER/en/index.php/ > Public_Software > ----------- > --- > You received this message because you are subscribed to the Google Groups > "EnglishSTF" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to englishstf+unsubscr...@googlegroups.com. > To post to this group, send email to englishstf@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- ----------- 1.ವಿಷಯ ಶಿಕ್ಷಕರ ವೇದಿಕೆಗೆ ಶಿಕ್ಷಕರನ್ನು ಸೇರಿಸಲು ಈ ಅರ್ಜಿಯನ್ನು ತುಂಬಿರಿ. - https://docs.google.com/forms/d/e/1FAIpQLSevqRdFngjbDtOF8YxgeXeL8xF62rdXuLpGJIhK6qzMaJ_Dcw/viewform 2. ಇಮೇಲ್ ಕಳುಹಿಸುವಾಗ ಗಮನಿಸಬೇಕಾದ ಕೆಲವು ಮಾರ್ಗಸೂಚಿಗಳನ್ನು ಇಲ್ಲಿ ನೋಡಿ. -http://karnatakaeducation.org.in/KOER/index.php/ವಿಷಯಶಿಕ್ಷಕರವೇದಿಕೆ_ಸದಸ್ಯರ_ಇಮೇಲ್_ಮಾರ್ಗಸೂಚಿ 3. ಐ.ಸಿ.ಟಿ ಸಾಕ್ಷರತೆ ಬಗೆಗೆ ಯಾವುದೇ ರೀತಿಯ ಪ್ರಶ್ನೆಗಳಿದ್ದಲ್ಲಿ ಈ ಪುಟಕ್ಕೆ ಭೇಟಿ ನೀಡಿ - http://karnatakaeducation.org.in/KOER/en/index.php/Portal:ICT_Literacy 4.ನೀವು ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ ಬಳಸುತ್ತಿದ್ದೀರಾ ? ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶದ ಬಗ್ಗೆ ತಿಳಿಯಲು -http://karnatakaeducation.org.in/KOER/en/index.php/Public_Software ----------- --- You received this message because you are subscribed to the Google Groups "EnglishSTF" group. 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