<p>The source for this data is the 2010-11 report on 'Low Carbon Environmental Goods and Services (LCEGS)' published in May 2012 by the Department for Business Innovation and Skills. It is stated in section 4.2 that</p><p>'UK LCEGS Sales in 2010/11 is £122.2bn'</p><p>and Table 4 provides a breakdown of sales by sub-sector over the last three years.</p><p>For further information see:</p><p>http://www.bis.gov.uk/assets/BISCore/business-sectors/docs/l/12-p143-low-carbon-environmental-goods-and-services-2010-11.pdf</p>