This week

• The Council for Aluminium in Building (CAB) has launched a report called Aluminium & Sustainability: A Cradle to Cradle Approach. This report follows aluminium from its raw material phase, through use in projects, to end-of-life recycling.

• Two new guides to green roofs are available from Safeguard Europe. Step-by-step photo illustrations demonstrate the key stages needed to create a flat or pitched green roof. CAD details are also available.

• Lafarge Cement has received the go-ahead to use carbon neutral meat and bone meal as part of the fuel mix for cement manufacture at its Hope Valley works.

• Greenpeace has published Setting A New Standard: Alternatives to Unsustainable Plywood in the UK Construction Industry for companies seeking a wider choice of certified wood products for construction.

• CIRIA has published a new book, Invasive Species Management for Infrastructure Managers and the Construction Industry, which focuses on the impact that invasive plants and animals are having on the industry.

• The EU and the government of Ghana have announced a trade agreement to stop the import of illegal timber from Ghana. The move will offer European consumers a guarantee that the timber has been obtained in a sustainable manner.

• Corus is collaborating with Dyesol, which specialises in dye-sensitised solar cells, a photovoltaic technology that mimics photosynthesis in plants. The companies are developing metal roof and wall cladding products that incorporate this new technology.