According to the 11th five-year railway environmental protection plan, which set goals from 2006 to 2010 and kicks off Wednesday formally, emission of sulfur dioxide in railway sector will be limited to 41,818 tons in 2010.

Meanwhile, it plans to make green with plants along 30,000 kilometers of railway.

The ministry will strengthen inspection on environmental protection in railway construction projects, speed up managing of passenger train waste and develop advanced technologies, the ministry said without giving further details.