The City of Frankfurt am Main (Germany) placed environmentally enhanced services in public transport by competitive tendering. Drastic reductions of noise- and air pollution results in additional costs of less than 0,07 >=/km.

The LGIU e.guide to local sustainable procurement with good practice cases from Cambridge, Camden, Gateshead, LGIU, Plymouth and Warwickshire

The guide sets out how local authorities have improved the environmental and quality standards and increased efficiency in urban public transport through preparing for and undertaking competitive tendering.

A collection of case studies of the procurement of innovative solutions in the Baltic region. The report also summarises the main elements considered favourable to innovation

When renewing the contract for municipal fountain cleaning and maintenance in the City of Barcelona, strict environmental specifications were included. 25% of points in the award phase also related to environmental performance. Environmental improvements included water and energy savings, and chemical use reduction.

In 2006 the Eastern Shires Purchasing Organisation (ESPO) signed a series of framework contracts with suppliers of environmentally-friendly cleaning products. As a central purchasing body, these framework contracts are usable by any UK authority.

In 2009 the London Borough of Lewisham launched an assessment of the carbon footprint of its supply chain. Results showed the carbon footprint of the supply chain was 2.5 greater than the direct operations of the Borough.

The Metropolitan Police Force (MPS) in London, runs 123 hybrid and several electric vehicles. It is also leading a feasibility study on London's Electric Vehicle Delivery Plan, which aims to provide 1,000 electric vehicles by 2015

Presentation on the construction of a new hosiptal in Vienna to advanced sustainability standards. A sustainability charter has been produced for the project, as well as detailed environmental criteria, which may be used as a checklist at each stage of construction