Geneva, 01/12/2009 (Agence Europe) - As the Copenhagen international conference on climate change fast approaches, trade ministers meeting in Geneva since 30 November at the 7th WTO ministerial conference unanimously stressed the need to rapidly liberalise the trade in environmental goods and services. Such products range from catalytic convertors and air filters to consultancy services relating to the management of waste water, solar panels and wind farms, which are the subject of a...