Brussels, 28/03/2007 (Agence Europe) - In a bid to use the impetus created by the Spring European Summit (see EUROPE 9383), the Commission adopted a green paper on Wednesday 28 March on market-based instruments - indirect taxation, targeted aid and emissions trading rights - used for the purposes of environmental and energy policy. This green paper launches a debate, open until the end of July, on the use of these instruments to fulfil sustainable development aims set by the Heads of State...