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Electronic waste is a global problem


Crumpled paper Cheap viagra online without prescription, Two articles published this week highlight the growing problem of e-waste, the mountains of electronic garbage that are piling up from discarded computers, cell phones, and other gadgets.


In Science of the Total Environment, researcher Brett Robinson of Lincoln University in New Zealand estimates that the world produces 20-25 million tonnes of e-waste each year. Kjøp Discount viagra, The number of computers in a country increases with GDP, he notes, New York NY N.Y. , Um viagra online, suggesting that e-waste will go up as economies grow. The US, købe viagra, Buy viagra cod, Europe, and Australasia are the biggest offenders, viagra pharmacy, Where to buy viagra, but China, Eastern Europe, kopen goedkope viagra, Cheap viagra online, and Latin America are expected to start catching up over the next decade.


Wealthy countries export much of their e-waste to poor nations, but the total mass is “impossible to quantify, kjøpe billig viagra, Ordering viagra, ” Robinson writes. Scientists have reported high contaminant concentrations in aquatic animals, New Mexico NM N.Mex. , Ordering viagra from canada, soil, and plants around a major e-waste processing center in Guiyu, buy viagra online without prescription, New Hampshire NH N.H. , China. Some of those contaminants could be exported back to the US and other countries in the form of toys, For viagra online, Massachusetts MA Mass. , jewelry, and food, αγοράσετε viagra, Osta viagra, he says.


Smaller devices and the use of cloud computing, a system by which processing is outsourced to remote servers, comprar viagra baratos, Cheap viagra from canada, could help rein in the growth of e-waste, Robinson writes, För viagra online. He calculates that the global stream of electronic junk currently contains about 820,000 tonnes of copper, 198,000 tonnes of chromium, and 102,000 tonnes of zinc per year, along with numerous other metals and contaminants.


In a Science Policy Forum article, researchers note the dearth of federal e-waste disposal or recycling regulations in the US, cheap viagra online without prescription. Alabama AL Ala. , A bill moving through Congress calls for more e-waste research and a database of environmentally-friendly materials. But a major hurdle is consumer behavior, Arizona AZ Ariz. , Idaho ID , the authors say. They urge lawmakers to include funding for research that would determine how to encourage recycling of electronics. – Roberta Kwok

Source: Robinson, B. (2009). E-waste: An assessment of global production and environmental impacts Science of The Total Environment DOI: 10.1016/j.scitotenv.2009.09.044

Source: Ogunseitan, O., Schoenung, J., Saphores, J., & Shapiro, A. (2009). The Electronics Revolution: From E-Wonderland to E-Wasteland Science, 326 (5953), 670-671 DOI: 10.1126/science.1176929

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