Pennon Group owns South West Water and Viridor. SWW, the water and sewerage provider, has 90.3 per cent of bathing waters meeting the European Union “excellent” guideline, up from 84 per cent in 2009. It has generated 13.8GWh of power through methane gas capture from anaerobic digestion at wastewater treatment works. In waste management and recycling, Viridor gets 46 per cent of its profits from recovering the value in waste, up from 17 per cent 10 years ago.

Persimmon, the property developer, cut the amount of waste sent to landfill per home built by 20 per cent, from 1.55 tonnes in 2009 to 1.24 tonnes in 2010. Its Space4 patented energy-efficient construction system uses new timber frame technology and has increased the energy efficiency of new homes to above the industry average. Renewable energy was installed in 12 per cent of homes sold in 2010. Areas for further work: setting targets and reporting stakeholder responses.

Redrow, another property developer, diverts 90 per cent of site waste from landfill (a 25 per cent improvement since 2008). Nearly 98.5 per cent of the timber it used in 2010 had its legal origin confirmed or credibly certified. Health and safety is a priority – the company has a RoSPA Gold Medal Award. There is a climate change statement and engagement with the Considerate Constructors Scheme. Areas for further work: enhanced stakeholder engagement and reporting of outcomes. identification issues with raw materials other than timber.

Shanks Group, the waste management company, has an overall recycling and recovery rate of 77 per cent from nearly 7.7m tonnes of waste each year, and generated 96.2GWh of electricity in 2010-11. There has been a recognition of negative performance and realignment of targets. Its “Rebike” scheme puts refurbished bicycles on sale for low-income families. Areas for further work: varying performance in different countries across the group – key targeting of policy necessary.

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