Green Laws Boost Clean-up Iindustry Have companies around the globe really become "house-proud", or is planet earth just in for a spring cleaning? It is hard to say - but one thing is for sure; the environmental sector is en-joying a boom. The market for pollution control technology is on a steep exponential growth curve, which seems to be interminable. Especially the European companies put down their names for an immense part of the expansion. But what is the precise nature of this sudden environmental con-cern? After all the deteriorating state of the environment is hardly a novel phenomenon, to say the least. Just how vigorous this potential goldmine is going to be for t