IT giant IBM has just launched arguably the world's largest green marketing campaign. Joel Makower asks two of the execs behind the initiative to outline the rationale behind the repositioning of the company

Zero carbon wind energy now supported by zero carbon fuel cell-powered testing systems

European neighbours and multinationals will be watching closely as Danish government passes legislation requiring firms to produce CSR reports

Slowdown during the fourth quarter fails to take gloss off boom year for clean tech venture capital investment

Scottish parliament just one of many high profile government buildings that have failed to comply with EU energy efficiency legislation

US Pentagon and New York City to roll out cutting-edge, energy-saving lighting technology

Market data service to provide information on carbon credit risks

Pipeline pressure to be used to drive turbines

Firms told to get on board with London's environmental schemes or risk appearing on a "non-green 300" list

Sustainable Development Commission latest group to campaign for effective ban on new coal power stations without CCS