Voluntary Carbon Standard extended to include forestry and agricultural projects

New £50m steam autoclave plant to separate and treat black bag waste

Mayor says he will contribute £15,000 to local authorities' planned legal challenge, if Heathrow expansion is given green light

Company outlines renewable investment plans as chief executive calls on stock markets to force listed firms to disclose information on their green credentials

Study suggests longer CSR reports that feature clearly defined terminology are better received

Industry insists outlook remains upbeat, but credit crunch and rising construction bills are prompting growing numbers of developers to review projects

Energy use monitoring and "hundreds of wireless thermometers" promise datacentre savings, according to CA

Ludgate Environmental Fund pulls in extra $18m as investor confidence in clean tech defies financial crisis

Jatropha oil from Africa used to develop biofuel virtually indistinguishable from traditional jet fuel