Technology advancement let us have a lot of conveniences but it also brings us some troubles; man made pollution is one of them. It is a very urgent matter that we have to deal with today. Any anti-pollution actions will increase the cost of the manufacturers or governments; people would rather put the cost to others, it ends up everybody suffers. These externalities can only be corrected by legislations and educations; however, we do believe that there are someone who are considerate of the future of the earth.  


"Global Warming" is one of the most familiar terms that appears in everywhere in recent years; in fact, it is an immediate threat to this generation of us. Recall your memory from 2003, the SARS crisis started from Asia to Canada; Hurricane Katrina caused devastating losses in US in 2005. Perhaps more are about to come; avian flu, more frequent forest fires and tornadoes…etc. All these incidents are somehow related to the global warming. Today, almost every person on this planet experiences it and some of us even suffering from it; further postpone solving this environmental problem will make the situation even worse and more costly.


Carbon dioxide is one of the major greenhouse gases that traps the heat within the atmosphere; other greenhouse gases such as organic solvents or known as volatile organic compounds, VOC, trap even more heat. In other words, with same number of carbon molecules, most organic gases are able to trap more heat than that of carbon dioxide. If we are able to convert these organic gases to carbon dioxide, we are a step forward in combating the global warming. In addition to the greenhouse effects of the VOC, some of them are extremely smelly or carcinogenic.   


Besides, perhaps the worst scenario is not only the huge quantity of pollutants we generated but also "invented and synthesized" some extremely toxic, carcinogenic and non-degradable chemicals and discharged to the rivers, lakes and seas. One of which is Polychlorinated Biphenyls (PCBs) or known as Persistent Organic Pollutants (POPs), although they exist in very low concentration, through bio-accumulation in the food web, the concentration of the POPs is affecting our life.


PCBs has been banned since 70’s, trace amount of PCBs was found in a remote place like Bear Island near Greenland; PCBs were also found in mothers’ breast milk in many different countries. You can imagine how bad the situation really is!


For details about the history of PCBs, please visit



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