BANGI, July 23 -- Putrajaya will produce a report detailing the highest risk factories in Pasir Gudang, Johor within before September amid increasing public scrutiny on the health hazards caused by industry.

Energy, Science, Technology, Environment and Climate Change Minister Yeo Bee Yin said there are over 2,000 factories currently operating in the district.

"The government will conduct an analysis of all the factories in Pasir Gudang to find out who is actually responsible.

"Despite not detecting any anomalies, what happens is that the development in Pasir Gudang is too concentrated," she said at the launch of the Low Carbon Cities Challenge at Greentech Malaysia here today.

However, Yeo said the Johor government is the authority to...