The following passage contains 10 errors. Identify and correct them. The British government has recently announced proposals creating a number of ‘Eco-towns’ across the country, each to be built according to strict environmental criterion. The aim is that each town will be carbon neutral. This means that any energy taking from the national electricity supply will be replaced by energy produced on renewable sources by the community. Each town should also excel in one area of environmental technology such as waste managing or rainwater conservation. In each town, the facilities will be on walking distance, thereby cutting car use and it hoped that at last 30% of the housing will be affordable with people on a low income. Where possible the towns will be built on previous developed or ‘brown field’ sites, including military industrial sites