|
微信搜索关注"91考试网"公众号,领30元,获取公务员、事业编、教师等考试资料40G!
hemicals and in taking back and recycling products.The RoHS rules ban products containing any more than trace amounts of lead, mercury, cadmium and other hazardous substances, including some nasty materials called brominated flame?retardants(BFRs). 48) To do well in Greenpeace?s rankings, firms must make sure both products and production processes are free of polyvinyl chloride(PVC) and some BFRs that are not on the RoHS list. Greenpeace also wants companies to adopt a “precautionary principle” and avoid chemicals if their environmental impact is uncertain.Although not everyone agrees with Greenpeace?s methodology, its ranking still has some merit. Nokia does well: the world?s biggest handset?maker has already got rid of PVC from its products and will eliminate all BFRs from next year. But, Greenpeace grumbles, it is not sufficiently “precautionary” in other areas. 49) Dell, however, scores well in this regard and on recycling, but loses marks for not having phased out PVC and BFRs yet, though it has set a deadline for doing so.Perhaps the biggest surprise is the poor rating of Apple. The company insists that it has a strong record in recycling and has eliminated BFRs and PVC from the main plastic parts in its products. 50) It scores badly because it has not eliminated such chemicals altogether, has not set time limits for doing so, does not provide a full list of regulated substances and is insufficiently precautionary for Greenpeace?s tastes. As for recycling, the 9,500 tons of electronics Apple says it has recycled since 1994 is slight given the amount of equipment the firm sells, says Greenpeace. Alas for Apple, whatever the pros and cons(advantages and disadvantages) of Greenpeace?s ranking criteria, consumers are l
|
考试问吧
