Interesting facts about cell phones • September 2006= 2.5 billion cell phone users, from 2 billion 2005 • Currently = over 3.5 billion • Average user replaces her cell phone every 18 months. • More than 36 percent of all 11- to 14-year-olds own their own cell phone • More than 15 percent own a hand-held internet device
Goal:consider the sustainability of an everyday item that you use Maths Skills:percents, conversions, number sense Sustainability connection: risk-benefit analysis Cell Phones Instructions: • Use the chart on the worksheet to answer questions #1-3. • 2. If you finish those, go onto the rest!
If everybody recycled his or her cell phone, over 200 million euros would be recouped in gold! Cell Phones
What’s In Your Phone? Heavy Metal Heavy Metal Heavy Metal Cadmium Lead Mercury Accumulates in kidneys Causes brain damage Lessens brain function in children and causes damage to central nervous system, builds up in kidneys
What’s In Your Phone? Chemical Chemical Heavy Metal Hexavalent Chromium Brominated Flame Retardants Arsenic Damages DNA & linked to asthmatic bronchitis Causes multi-organ system failure that can lead to death May be an endocrine disrupter & may increase risk for cancer of digestive & lymph systems
Open burning & heating allows toxins into respiratory system Acidtreatment allows heavy metals to infiltrate soil and water Source Credit: Ravi Agarwal at Toxics Link
Recent study by Greenpeace in Ghana found most workers are Children mostly between the ages of 11-18. Source Credit: Ravi Agarwal at Toxics Link Picture Credit: arch1design.com
3 2 1 0 1 1 2 2 3 3 Social Equity Considering the 3 “E”s, is cell phone recycling worth it? *you will be asked to share your answers with the group! Environment Economics