Print

Comment

Email

Digg

Del.icio.us

Reddit

Twitter

'At my signal, unleash hell, roared Maximus Desmus Meridius to his wearied men lined up against the last of the Saxon tribes. Which they summarily do. This scene from the film Gladiator captures the might and ferocity of the Roman Empire. In its heydays, the empire spread form Western Europe to Northern Africa. At the turn of first millennium, there was no other force in the world that could face up to the mighty Romans.

Yet, something from within the empire was gnawing at their strength. Most of the affluent Romans were stricken by Gout or strange mental illnesses. In fact, the Roman emperor Nero was supposedly playing the fiddle out of his insanity, when the city of Rome was aflame. Imperium Romanium was crumbling due to a bluish white metal known to them as plumbum, and to us as lead.

Toxic lead was responsible for most of these ailments, as the use of the heavy metal was quite prevalent in ancient Rome. The citizens, especially the blue-blooded ones, used to wine and dine out of vessels having lead in them. Lead was used in make-up, lead sugar (lead acetate) was used to sweeten wine, and so on.

Even today, some 2,000 years later, lead accounts for hundreds of deaths annually across the world, especially in developing countries. And, this time the culprit is not vessels or food but modern technologythings that making our life easier are the very things that are threatening our existence.

E-wastage
Modern equipment have made our lives much easier and comfortable. Yet, they are laden with toxic and health endangering chemicals. Right from the computer monitor to the semiconductor chip, almost all the part are either fabricated out of toxic metals or treated with them. Take the case of lead, it is found in glass panels and gasket (frit) in computer monitors (3-8 pounds per monitor), and solder in printed circuit boards and other components. Cadmium occurs in such components as the SHD chip resistors, infrared detectors, and semiconductor chips. Mercury is used in thermostats, sensors, relays, switches, medical equipment, lamps, and mobile phones are found quite liberally in batteries. Barium is used in the front panel of a CRT. Beryllium is found on the mother-boards and "finger clips" as a copper beryllium alloy used to strengthen the tensile strength of connectors and tiny plugs while maintaining electrical conductivity, and so on. All these metals are known to have quite perilous impact on the human health.

But how can all these metals inside the computer and the mobile phone threaten us? E-waste is a term that describes the process of the transfer. Every year, users discard millions of PCs and phones across the globe, more so in the developed world. These PCs and phones are dumped for newer, better and sleeker models. With hundreds of millions of such equipment discarded annually, the amount of electronic waste (or e-waste) that stacks up is mind-boggling.

According to Greenpeace, the amount of electronic products discarded globally has skyrocketed recently, with 20-50 million tonnes generated every year. To get an idea of the amount, if the estimated e-waste generated every year would be put into containers on a train, the train would go once around the world in terms of length!

Poison in the Soil
Sadly, much of this e-waste finds its way into the developing countries in Asia and Africa. China and India have been one of the favored destinations for such dumping. Local contractors are paid to dismantle these products, which they do by employing cheap manual labor. It is during this dismantling that toxins come to the fore. They not only endanger the life of the laborer but also seep into the soil thereby contaminating the water table. Now the dangerous domino is set in motion, the contaminated water used for irrigation results in toxin-tainted food crop and poisons the whole food chain. The ill effects of these toxic metals are bone chilling. Poisoning threatens even people who have not been in direct contact with these metals; people like you and me.

Going Green
Of the many solutions for tackling this gargantuan e-waste crisis, green electronics is the most promising. Rather than trying to solve the crisis at the ground level, isnt it better to deal with it at the very onset at the manufacturing level? The idea is simple and sure to work. All electronic manufacturers must stop using hazardous metals while fashioning computers or other devices. And, going a step further, they should put into place a robust recycling strategy for their discarded products. If there are no toxins in the e-waste, it wont threaten our lives. Yet Green Electronics is easier said than done.

There has been a lot of resistance to this movement, not surprisingly from electronics manufacturing companies. In this outsourced world it is difficult to control all the manufacturing processes, take the case of a mobile phone, the screen could be fashioned in one part of China, the IC in Taiwan, the plastic body in Vietnam, and the software in India. And this is just the tip of the iceberg as these contractors would further sub-contract the work. In such a scenario, where the company is not in complete control of the manufacturing process, it is very tough to ensure that the manufacturing process does not harm the environment.

Secondly, the process of finding replacements for these commonly available products can be quite expensive, not only in terms of research but also in sourcing. Little wonder that companies have often shied away from sharing information about their manufacturing processes. But the tide is shifting.

Green Guide
Under pressure from governments and non-governmental bodies, electronics manufacturers have been under fire for a shift towards a greener manufacturing process.

Page(s)   1  2